Finding the Fourth Proportional to 756,665.82, 1,044,206.91 and 417,146.22

Step by Step Solution

1. Step 1: Write the proportion equation
   756,665.82 : 1,044,206.91 = 417,146.22 : x
2. Step 2: Convert to fraction form
   756,665.82/1,044,206.91 = 417,146.22/x
3. Step 3: Cross multiply
   756,665.82x = 1,044,206.91 × 417,146.22
4. Step 4: Simplify right side
   756,665.82x = 435,586,965,404.38
5. Step 5: Solve for x
   x = 435,586,965,404.38/756,665.82
6. Step 6: Final answer
   x = 575,666.24