Finding the Fourth Proportional to 16,043.05, 22,139.46 and 8,969.47

Step by Step Solution

1. Step 1: Write the proportion equation
   16,043.05 : 22,139.46 = 8,969.47 : x
2. Step 2: Convert to fraction form
   16,043.05/22,139.46 = 8,969.47/x
3. Step 3: Cross multiply
   16,043.05x = 22,139.46 × 8,969.47
4. Step 4: Simplify right side
   16,043.05x = 198,579,222.29
5. Step 5: Solve for x
   x = 198,579,222.29/16,043.05
6. Step 6: Final answer
   x = 12,377.90