Finding the Fourth Proportional to 16,356.24, 22,571.16 and 8,904.24

Step by Step Solution

1. Step 1: Write the proportion equation
   16,356.24 : 22,571.16 = 8,904.24 : x
2. Step 2: Convert to fraction form
   16,356.24/22,571.16 = 8,904.24/x
3. Step 3: Cross multiply
   16,356.24x = 22,571.16 × 8,904.24
4. Step 4: Simplify right side
   16,356.24x = 200,979,025.72
5. Step 5: Solve for x
   x = 200,979,025.72/16,356.24
6. Step 6: Final answer
   x = 12,287.61