8.236, 16.064, 63.8 and 27.53
Converting the decimals into like decimals:
8.236, 16.064, 63.800 and 27.530
Let us write the given numbers in the column form.
Now, adding:
8.236
16.064
63.800
27.530
115.630
Hence, the sum of the given numbers is 115.630.