Finding the Fourth Proportional to 52,085.57, 71,872.95 and 29,111.15

Step by Step Solution

1. Step 1: Write the proportion equation
   52,085.57 : 71,872.95 = 29,111.15 : x
2. Step 2: Convert to fraction form
   52,085.57/71,872.95 = 29,111.15/x
3. Step 3: Cross multiply
   52,085.57x = 71,872.95 × 29,111.15
4. Step 4: Simplify right side
   52,085.57x = 2,092,304,228.39
5. Step 5: Solve for x
   x = 2,092,304,228.39/52,085.57
6. Step 6: Final answer
   x = 40,170.52