Extract numbers from text string

I have several lines with text strings containting three numbers in each line. I need a code to extract all three numbers from each text string. The numbers can be placed on the following columns in each row.

Any idea of a good code to do this?

Example:

6.2.1 Operation 21.482.406 93.731.268 491.550.460
6.2.2 Maintenance 51.452.674 198.523.878 3.662.463.681
6.2.3 Well Maintenance 46.328.908 184.535.059 1.755.378.353
6.2.4 Modifications -7.733.526 8.971.088 279.573.825
6.2.5 Subsea Operations and Maintenance 5.709.536 38.252.366 283.965.081
6.2.6 Platform services 3.711.679 18.433.255 150.249.671