Finding the Fourth Proportional to 71,377.30, 106,963.55 and 52,510.10

Step by Step Solution

1. Step 1: Write the proportion equation
   71,377.30 : 106,963.55 = 52,510.10 : x
2. Step 2: Convert to fraction form
   71,377.30/106,963.55 = 52,510.10/x
3. Step 3: Cross multiply
   71,377.30x = 106,963.55 × 52,510.10
4. Step 4: Simplify right side
   71,377.30x = 5,616,666,706.86
5. Step 5: Solve for x
   x = 5,616,666,706.86/71,377.30
6. Step 6: Final answer
   x = 78,689.82