Finding the Fourth Proportional to 16,105.59, 22,225.94 and 9,731.29

Step by Step Solution

1. Step 1: Write the proportion equation
   16,105.59 : 22,225.94 = 9,731.29 : x
2. Step 2: Convert to fraction form
   16,105.59/22,225.94 = 9,731.29/x
3. Step 3: Cross multiply
   16,105.59x = 22,225.94 × 9,731.29
4. Step 4: Simplify right side
   16,105.59x = 216,287,067.66
5. Step 5: Solve for x
   x = 216,287,067.66/16,105.59
6. Step 6: Final answer
   x = 13,429.32