Managed to find the image position in some test cases.
New method for finding the source to wall distance. (Simple dot product).
Solved for the point of intersection between the line from image to receiver and the plane PQR.
Solved for the point of intersection between the line from image to receiver and the plane PQR.
Solved for the point of intersection between the line from image to receiver and the plane PQR.
Solved for the point of intersection between the line from image to receiver and the plane PQR.