Finding the Fourth Proportional to 76,049.62, 104,838.69 and 52,138.42

Step by Step Solution

1. Step 1: Write the proportion equation
   76,049.62 : 104,838.69 = 52,138.42 : x
2. Step 2: Convert to fraction form
   76,049.62/104,838.69 = 52,138.42/x
3. Step 3: Cross multiply
   76,049.62x = 104,838.69 × 52,138.42
4. Step 4: Simplify right side
   76,049.62x = 5,466,123,651.47
5. Step 5: Solve for x
   x = 5,466,123,651.47/76,049.62
6. Step 6: Final answer
   x = 71,875.75