Finding the Fourth Proportional to 16,020.28, 22,103.15 and 9,304.61

Step by Step Solution

1. Step 1: Write the proportion equation
   16,020.28 : 22,103.15 = 9,304.61 : x
2. Step 2: Convert to fraction form
   16,020.28/22,103.15 = 9,304.61/x
3. Step 3: Cross multiply
   16,020.28x = 22,103.15 × 9,304.61
4. Step 4: Simplify right side
   16,020.28x = 205,661,190.52
5. Step 5: Solve for x
   x = 205,661,190.52/16,020.28
6. Step 6: Final answer
   x = 12,837.56