Finding the Fourth Proportional to 16,872.98, 25,310.17 and 5,787.29

Step by Step Solution

1. Step 1: Write the proportion equation
   16,872.98 : 25,310.17 = 5,787.29 : x
2. Step 2: Convert to fraction form
   16,872.98/25,310.17 = 5,787.29/x
3. Step 3: Cross multiply
   16,872.98x = 25,310.17 × 5,787.29
4. Step 4: Simplify right side
   16,872.98x = 146,477,342.55
5. Step 5: Solve for x
   x = 146,477,342.55/16,872.98
6. Step 6: Final answer
   x = 8,681.18