Finding the Fourth Proportional to 42,085.29, 63,125.46 and 15,787.83

Step by Step Solution

1. Step 1: Write the proportion equation
   42,085.29 : 63,125.46 = 15,787.83 : x
2. Step 2: Convert to fraction form
   42,085.29/63,125.46 = 15,787.83/x
3. Step 3: Cross multiply
   42,085.29x = 63,125.46 × 15,787.83
4. Step 4: Simplify right side
   42,085.29x = 996,614,031.15
5. Step 5: Solve for x
   x = 996,614,031.15/42,085.29
6. Step 6: Final answer
   x = 23,680.82