Finding the Fourth Proportional to 16,864.38, 23,270.22 and 9,789.57

Step by Step Solution

1. Step 1: Write the proportion equation
   16,864.38 : 23,270.22 = 9,789.57 : x
2. Step 2: Convert to fraction form
   16,864.38/23,270.22 = 9,789.57/x
3. Step 3: Cross multiply
   16,864.38x = 23,270.22 × 9,789.57
4. Step 4: Simplify right side
   16,864.38x = 227,805,447.61
5. Step 5: Solve for x
   x = 227,805,447.61/16,864.38
6. Step 6: Final answer
   x = 13,508.08