Finding the Fourth Proportional to 16,042.29, 22,139.55 and 8,968.29

Step by Step Solution

1. Step 1: Write the proportion equation
   16,042.29 : 22,139.55 = 8,968.29 : x
2. Step 2: Convert to fraction form
   16,042.29/22,139.55 = 8,968.29/x
3. Step 3: Cross multiply
   16,042.29x = 22,139.55 × 8,968.29
4. Step 4: Simplify right side
   16,042.29x = 198,553,904.87
5. Step 5: Solve for x
   x = 198,553,904.87/16,042.29
6. Step 6: Final answer
   x = 12,376.91