Finding the Fourth Proportional to 16,488.32, 22,753.60 and 9,036.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,488.32 : 22,753.60 = 9,036.16 : x
2. Step 2: Convert to fraction form
   16,488.32/22,753.60 = 9,036.16/x
3. Step 3: Cross multiply
   16,488.32x = 22,753.60 × 9,036.16
4. Step 4: Simplify right side
   16,488.32x = 205,605,170.18
5. Step 5: Solve for x
   x = 205,605,170.18/16,488.32
6. Step 6: Final answer
   x = 12,469.75