Finding the Fourth Proportional to 16,042.76, 22,139.15 and 8,872.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,042.76 : 22,139.15 = 8,872.30 : x
2. Step 2: Convert to fraction form
   16,042.76/22,139.15 = 8,872.30/x
3. Step 3: Cross multiply
   16,042.76x = 22,139.15 × 8,872.30
4. Step 4: Simplify right side
   16,042.76x = 196,425,163.86
5. Step 5: Solve for x
   x = 196,425,163.86/16,042.76
6. Step 6: Final answer
   x = 12,243.85