Finding the Fourth Proportional to 16,256.31, 22,425.28 and 9,537.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,256.31 : 22,425.28 = 9,537.42 : x
2. Step 2: Convert to fraction form
   16,256.31/22,425.28 = 9,537.42/x
3. Step 3: Cross multiply
   16,256.31x = 22,425.28 × 9,537.42
4. Step 4: Simplify right side
   16,256.31x = 213,879,313.98
5. Step 5: Solve for x
   x = 213,879,313.98/16,256.31
6. Step 6: Final answer
   x = 13,156.70