Finding the Fourth Proportional to 16,281.72, 22,470.03 and 9,112.32

Step by Step Solution

1. Step 1: Write the proportion equation
   16,281.72 : 22,470.03 = 9,112.32 : x
2. Step 2: Convert to fraction form
   16,281.72/22,470.03 = 9,112.32/x
3. Step 3: Cross multiply
   16,281.72x = 22,470.03 × 9,112.32
4. Step 4: Simplify right side
   16,281.72x = 204,754,103.77
5. Step 5: Solve for x
   x = 204,754,103.77/16,281.72
6. Step 6: Final answer
   x = 12,575.70