Finding the Fourth Proportional to 752,468.88, 1,038,419.72 and 412,968.72

Step by Step Solution

1. Step 1: Write the proportion equation
   752,468.88 : 1,038,419.72 = 412,968.72 : x
2. Step 2: Convert to fraction form
   752,468.88/1,038,419.72 = 412,968.72/x
3. Step 3: Cross multiply
   752,468.88x = 1,038,419.72 × 412,968.72
4. Step 4: Simplify right side
   752,468.88x = 428,834,862,591.16
5. Step 5: Solve for x
   x = 428,834,862,591.16/752,468.88
6. Step 6: Final answer
   x = 569,903.78