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.
[[-10, -114, -186, -64], [-27, -132, -99, -32], [-147, -166, -184, -147]]