here is a rather simple formulation of an approach. I leave it to you to get the formatting right and put in the appropriate file opens... $. is line number of current file. 
#!/usr/bin/perl
use warnings;
use strict;
use Data::Dumper;

my %hash;

# make a hash of array based upon last column

while (my $line = <DATA>)
{
   my @tokens = split ' ', $line;
   my $abs_lastcol = abs $tokens[-1];
   my $newline = "$tokens[-1]  $. $tokens[0]  $tokens[1]  $tokens[2]";
   push @{$hash{$abs_lastcol}}, $newline;
}

foreach my $file (sort keys %hash)
{
    print "generate file: $file...\n";
    print "$_\n" for @{$hash{$file}};
}
=prints
generate file: 1...
1  4 -56.247  83.685  114.576
-1  9 -58.722  60.429  111.307
generate file: 2...
-2  5 -59.263  76.107  112.555
2  8 -61.667  63.707  116.937
generate file: 3...
3  6 -59.895  65.296  111.185
-3  7 -60.141  63.694  111.257
generate file: 6...
-6  2 -61.251  77.435  117.760
6  10 -57.511  42.922  112.108
generate file: 7...
7  1 -59.077  89.301  115.664
-7  3 -60.950  71.712  116.061
=cut



__DATA__
-59.077    89.301   115.664       7
-61.251    77.435   117.760      -6
-60.950    71.712   116.061      -7
-56.247    83.685   114.576       1
-59.263    76.107   112.555      -2
-59.895    65.296   111.185       3
-60.141    63.694   111.257      -3
-61.667    63.707   116.937       2
-58.722    60.429   111.307      -1 
-57.511    42.922   112.108       6

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In reply to Re: divide multi-column input file into sub-files depending on specific column's value by Marshall
in thread divide multi-column input file into sub-files depending on specific column's value by angela2

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