Finding the Fourth Proportional to 129,561.61, 194,358.82 and 50,665.59

Step by Step Solution

1. Step 1: Write the proportion equation
   129,561.61 : 194,358.82 = 50,665.59 : x
2. Step 2: Convert to fraction form
   129,561.61/194,358.82 = 50,665.59/x
3. Step 3: Cross multiply
   129,561.61x = 194,358.82 × 50,665.59
4. Step 4: Simplify right side
   129,561.61x = 9,847,304,287.00
5. Step 5: Solve for x
   x = 9,847,304,287.00/129,561.61
6. Step 6: Final answer
   x = 76,004.80