Currently Being ModeratedAug 31, 2013 10:56 PM (in response to 1MSG2)
Pop-up menus contain fixed values in Numbers. You might be able to do this using Steppers or sliders. These produce a numerical result, which could be used to direct a second slider or stepper's output to a specific column or table.
If you can provide a map of the structure of your list(s), there may be someone here able to take on the task of constructing the tools to do the job.