Finding the Fourth Proportional to 71,872.29, 99,087.12 and 50,333.13

Step by Step Solution

1. Step 1: Write the proportion equation
   71,872.29 : 99,087.12 = 50,333.13 : x
2. Step 2: Convert to fraction form
   71,872.29/99,087.12 = 50,333.13/x
3. Step 3: Cross multiply
   71,872.29x = 99,087.12 × 50,333.13
4. Step 4: Simplify right side
   71,872.29x = 4,987,364,892.29
5. Step 5: Solve for x
   x = 4,987,364,892.29/71,872.29
6. Step 6: Final answer
   x = 69,392.04