Finding the Fourth Proportional to 756,602.32, 1,044,118.20 and 417,082.72

Step by Step Solution

1. Step 1: Write the proportion equation
   756,602.32 : 1,044,118.20 = 417,082.72 : x
2. Step 2: Convert to fraction form
   756,602.32/1,044,118.20 = 417,082.72/x
3. Step 3: Cross multiply
   756,602.32x = 1,044,118.20 × 417,082.72
4. Step 4: Simplify right side
   756,602.32x = 435,483,658,857.50
5. Step 5: Solve for x
   x = 435,483,658,857.50/756,602.32
6. Step 6: Final answer
   x = 575,578.01