Finding the Fourth Proportional to 16,499.28, 22,767.60 and 9,424.32

Step by Step Solution

1. Step 1: Write the proportion equation
   16,499.28 : 22,767.60 = 9,424.32 : x
2. Step 2: Convert to fraction form
   16,499.28/22,767.60 = 9,424.32/x
3. Step 3: Cross multiply
   16,499.28x = 22,767.60 × 9,424.32
4. Step 4: Simplify right side
   16,499.28x = 214,569,148.03
5. Step 5: Solve for x
   x = 214,569,148.03/16,499.28
6. Step 6: Final answer
   x = 13,004.76