Finding the Fourth Proportional to 16,316.72, 22,517.12 and 8,864.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,316.72 : 22,517.12 = 8,864.72 : x
2. Step 2: Convert to fraction form
   16,316.72/22,517.12 = 8,864.72/x
3. Step 3: Cross multiply
   16,316.72x = 22,517.12 × 8,864.72
4. Step 4: Simplify right side
   16,316.72x = 199,607,964.01
5. Step 5: Solve for x
   x = 199,607,964.01/16,316.72
6. Step 6: Final answer
   x = 12,233.34