Finding the Fourth Proportional to 16,010.91, 22,103.42 and 9,725.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16,010.91 : 22,103.42 = 9,725.31 : x
2. Step 2: Convert to fraction form
   16,010.91/22,103.42 = 9,725.31/x
3. Step 3: Cross multiply
   16,010.91x = 22,103.42 × 9,725.31
4. Step 4: Simplify right side
   16,010.91x = 214,962,562.93
5. Step 5: Solve for x
   x = 214,962,562.93/16,010.91
6. Step 6: Final answer
   x = 13,426.01