1. **State the problem:** We need to find the sum of the given float amounts: 2000, 636570, 55300, 22420, 26785, 9895, 20200, 38990, 20880, 55200, 137170, 50215, 60880. 2. **Formula used:** The sum of a list of numbers $x_1, x_2, ..., x_n$ is given by $$\text{Sum} = \sum_{i=1}^n x_i = x_1 + x_2 + ... + x_n$$ 3. **Calculate the sum:** $$2000 + 636570 + 55300 + 22420 + 26785 + 9895 + 20200 + 38990 + 20880 + 55200 + 137170 + 50215 + 60880 = 1,134,505$$ 4. **Explanation:** We simply add all the amounts together to get the total sum. **Final answer:** The sum of the given amounts is $1134505$.