Finding the Fourth Proportional to 129,552.30, 194,347.89 and 40,796.55

Step by Step Solution

1. Step 1: Write the proportion equation
   129,552.30 : 194,347.89 = 40,796.55 : x
2. Step 2: Convert to fraction form
   129,552.30/194,347.89 = 40,796.55/x
3. Step 3: Cross multiply
   129,552.30x = 194,347.89 × 40,796.55
4. Step 4: Simplify right side
   129,552.30x = 7,928,723,411.78
5. Step 5: Solve for x
   x = 7,928,723,411.78/129,552.30
6. Step 6: Final answer
   x = 61,200.95