To do Alt + A W G on Mac in Excel, download and install Accelerator Keys, then press Option, followed by A, W, G.
Command: Goal Seek
This is how to do Alt + A W G on Mac in Excel with Accelerator Keys, the native ribbon and alt key shortcut solution for Mac users who get more done with Excel.
Alt + A W G opens the Goal Seek dialog. This powerful tool works backwards from a desired result to find the input value needed to achieve it. For example, you can find what sales volume is needed to reach a specific profit target.