Finding the Fourth Proportional to 129,807.30, 194,762.15 and 50,908.10

Step by Step Solution

1. Step 1: Write the proportion equation
   129,807.30 : 194,762.15 = 50,908.10 : x
2. Step 2: Convert to fraction form
   129,807.30/194,762.15 = 50,908.10/x
3. Step 3: Cross multiply
   129,807.30x = 194,762.15 × 50,908.10
4. Step 4: Simplify right side
   129,807.30x = 9,914,971,008.42
5. Step 5: Solve for x
   x = 9,914,971,008.42/129,807.30
6. Step 6: Final answer
   x = 76,382.23