Finding the Fourth Proportional to 16,043.24, 22,139.76 and 8,969.96

Step by Step Solution

1. Step 1: Write the proportion equation
   16,043.24 : 22,139.76 = 8,969.96 : x
2. Step 2: Convert to fraction form
   16,043.24/22,139.76 = 8,969.96/x
3. Step 3: Cross multiply
   16,043.24x = 22,139.76 × 8,969.96
4. Step 4: Simplify right side
   16,043.24x = 198,592,761.61
5. Step 5: Solve for x
   x = 198,592,761.61/16,043.24
6. Step 6: Final answer
   x = 12,378.59