How do I get values from 4 separate queries to show in one table?

How do I get values from 4 separate queries to show in one table?

My objective is to build a budgeting interface. Where I can add to each budget products.

And each product is made of Milestones and Tasks.

 

My question is, how do I get values from 4 separate queries (Proposal; Product; Milestone; Task) to show in one table?

Like the above image. Is this possible?