Finding the Fourth Proportional to 756,826.72, 1,044,427.92 and 417,307.04

Step by Step Solution

1. Step 1: Write the proportion equation
   756,826.72 : 1,044,427.92 = 417,307.04 : x
2. Step 2: Convert to fraction form
   756,826.72/1,044,427.92 = 417,307.04/x
3. Step 3: Cross multiply
   756,826.72x = 1,044,427.92 × 417,307.04
4. Step 4: Simplify right side
   756,826.72x = 435,847,123,788.56
5. Step 5: Solve for x
   x = 435,847,123,788.56/756,826.72
6. Step 6: Final answer
   x = 575,887.60