Finding the Fourth Proportional to 16,107.86, 22,229.98 and 8,938.15

Step by Step Solution

1. Step 1: Write the proportion equation
   16,107.86 : 22,229.98 = 8,938.15 : x
2. Step 2: Convert to fraction form
   16,107.86/22,229.98 = 8,938.15/x
3. Step 3: Cross multiply
   16,107.86x = 22,229.98 × 8,938.15
4. Step 4: Simplify right side
   16,107.86x = 198,694,817.82
5. Step 5: Solve for x
   x = 198,694,817.82/16,107.86
6. Step 6: Final answer
   x = 12,335.27