Finding the Fourth Proportional to 16,098.60, 22,216.56 and 9,025.20

Step by Step Solution

1. Step 1: Write the proportion equation
   16,098.60 : 22,216.56 = 9,025.20 : x
2. Step 2: Convert to fraction form
   16,098.60/22,216.56 = 9,025.20/x
3. Step 3: Cross multiply
   16,098.60x = 22,216.56 × 9,025.20
4. Step 4: Simplify right side
   16,098.60x = 200,508,897.31
5. Step 5: Solve for x
   x = 200,508,897.31/16,098.60
6. Step 6: Final answer
   x = 12,455.05