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.
[[50, -190, -70, -140, 92], [-120, -42, -110, -16, -197, 46, -152], [-180, 25, -91, -20], [19, -37, -186, -52, -171, -66]]