Finding the Fourth Proportional to 331,868.86, 457,978.17 and 180,965.86

Step by Step Solution

1. Step 1: Write the proportion equation
   331,868.86 : 457,978.17 = 180,965.86 : x
2. Step 2: Convert to fraction form
   331,868.86/457,978.17 = 180,965.86/x
3. Step 3: Cross multiply
   331,868.86x = 457,978.17 × 180,965.86
4. Step 4: Simplify right side
   331,868.86x = 82,878,411,105.39
5. Step 5: Solve for x
   x = 82,878,411,105.39/331,868.86
6. Step 6: Final answer
   x = 249,732.42