Continue by cleaning your acrylic shower panels from the top down. This is good advice for cleaning any room or surface! This process lets you easily direct any dust and debris not collected by your cloth down to lower surfaces where you can wipe it away when you reach the bottom of the shower.
Simple circular or back-and-forth cleaning motions should easily remove any dirt or soap-scum from your shower walls. For stubborn build-up, spray on the 50/50 vinegar solution, allow it to sit for 10 minutes, and then wipe clean. Use the same process and recommended glass cleaners for cleaning shower glass, including glass shower doors and panels.