Finding the Fourth Proportional to 331,149.56, 496,798.41 and 120,787.49

Step by Step Solution

1. Step 1: Write the proportion equation
   331,149.56 : 496,798.41 = 120,787.49 : x
2. Step 2: Convert to fraction form
   331,149.56/496,798.41 = 120,787.49/x
3. Step 3: Cross multiply
   331,149.56x = 496,798.41 × 120,787.49
4. Step 4: Simplify right side
   331,149.56x = 60,007,034,221.89
5. Step 5: Solve for x
   x = 60,007,034,221.89/331,149.56
6. Step 6: Final answer
   x = 181,208.26