Finding the Fourth Proportional to 331,146.43, 496,793.60 and 120,784.37

Step by Step Solution

1. Step 1: Write the proportion equation
   331,146.43 : 496,793.60 = 120,784.37 : x
2. Step 2: Convert to fraction form
   331,146.43/496,793.60 = 120,784.37/x
3. Step 3: Cross multiply
   331,146.43x = 496,793.60 × 120,784.37
4. Step 4: Simplify right side
   331,146.43x = 60,004,900,040.50
5. Step 5: Solve for x
   x = 60,004,900,040.50/331,146.43
6. Step 6: Final answer
   x = 181,203.53