Finding the Fourth Proportional to 16,298.28, 22,491.05 and 9,224.55

Step by Step Solution

1. Step 1: Write the proportion equation
   16,298.28 : 22,491.05 = 9,224.55 : x
2. Step 2: Convert to fraction form
   16,298.28/22,491.05 = 9,224.55/x
3. Step 3: Cross multiply
   16,298.28x = 22,491.05 × 9,224.55
4. Step 4: Simplify right side
   16,298.28x = 207,469,769.15
5. Step 5: Solve for x
   x = 207,469,769.15/16,298.28
6. Step 6: Final answer
   x = 12,729.55