In this task, you are given a list. This list contains many lists of integers. The list is several items written within a []. Your task is to find the maximum number among the members of each inner list. The output should be a list comprised of the maximums with the same order as the internal lists.
[[-174, 63, -80, 23], [65, 94, -79, -183, -52, 32], [-161, 67, 49], [-188, -131, -18, 62, 40, 89, 40]]