Finding the Fourth Proportional to 16,513.71, 22,787.42 and 9,798.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,513.71 : 22,787.42 = 9,798.18 : x
2. Step 2: Convert to fraction form
   16,513.71/22,787.42 = 9,798.18/x
3. Step 3: Cross multiply
   16,513.71x = 22,787.42 × 9,798.18
4. Step 4: Simplify right side
   16,513.71x = 223,275,193.90
5. Step 5: Solve for x
   x = 223,275,193.90/16,513.71
6. Step 6: Final answer
   x = 13,520.60