Finding the Fourth Proportional to 16,099.20, 22,216.96 and 9,025.68

Step by Step Solution

1. Step 1: Write the proportion equation
   16,099.20 : 22,216.96 = 9,025.68 : x
2. Step 2: Convert to fraction form
   16,099.20/22,216.96 = 9,025.68/x
3. Step 3: Cross multiply
   16,099.20x = 22,216.96 × 9,025.68
4. Step 4: Simplify right side
   16,099.20x = 200,523,171.53
5. Step 5: Solve for x
   x = 200,523,171.53/16,099.20
6. Step 6: Final answer
   x = 12,455.47