Finding the Fourth Proportional to 16,042.38, 22,139.49 and 8,969.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,042.38 : 22,139.49 = 8,969.82 : x
2. Step 2: Convert to fraction form
   16,042.38/22,139.49 = 8,969.82/x
3. Step 3: Cross multiply
   16,042.38x = 22,139.49 × 8,969.82
4. Step 4: Simplify right side
   16,042.38x = 198,587,240.19
5. Step 5: Solve for x
   x = 198,587,240.19/16,042.38
6. Step 6: Final answer
   x = 12,378.91