Finding the Fourth Proportional to 16,103.52, 22,221.52 and 9,028.96

Step by Step Solution

1. Step 1: Write the proportion equation
   16,103.52 : 22,221.52 = 9,028.96 : x
2. Step 2: Convert to fraction form
   16,103.52/22,221.52 = 9,028.96/x
3. Step 3: Cross multiply
   16,103.52x = 22,221.52 × 9,028.96
4. Step 4: Simplify right side
   16,103.52x = 200,637,215.22
5. Step 5: Solve for x
   x = 200,637,215.22/16,103.52
6. Step 6: Final answer
   x = 12,459.21