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, 94], [87, -99], [-186, 76, 88, -178], [-183, -26, 7, -22, -57], [-47, -186], [64, 100, -31, 76, -41], [-173, 13, -19]]