Finding the Fourth Proportional to 384,061.91, 529,857.61 and 240,572.15

Step by Step Solution

1. Step 1: Write the proportion equation
   384,061.91 : 529,857.61 = 240,572.15 : x
2. Step 2: Convert to fraction form
   384,061.91/529,857.61 = 240,572.15/x
3. Step 3: Cross multiply
   384,061.91x = 529,857.61 × 240,572.15
4. Step 4: Simplify right side
   384,061.91x = 127,468,984,431.56
5. Step 5: Solve for x
   x = 127,468,984,431.56/384,061.91
6. Step 6: Final answer
   x = 331,896.97