Finding the Fourth Proportional to 331,155.50, 496,807.29 and 120,793.43

Step by Step Solution

1. Step 1: Write the proportion equation
   331,155.50 : 496,807.29 = 120,793.43 : x
2. Step 2: Convert to fraction form
   331,155.50/496,807.29 = 120,793.43/x
3. Step 3: Cross multiply
   331,155.50x = 496,807.29 × 120,793.43
4. Step 4: Simplify right side
   331,155.50x = 60,011,056,608.10
5. Step 5: Solve for x
   x = 60,011,056,608.10/331,155.50
6. Step 6: Final answer
   x = 181,217.15