Finding the Fourth Proportional to 472,753.32, 652,401.72 and 257,892.72

Step by Step Solution

1. Step 1: Write the proportion equation
   472,753.32 : 652,401.72 = 257,892.72 : x
2. Step 2: Convert to fraction form
   472,753.32/652,401.72 = 257,892.72/x
3. Step 3: Cross multiply
   472,753.32x = 652,401.72 × 257,892.72
4. Step 4: Simplify right side
   472,753.32x = 168,249,654,103.48
5. Step 5: Solve for x
   x = 168,249,654,103.48/472,753.32
6. Step 6: Final answer
   x = 355,893.12