Finding the Fourth Proportional to 16,570.78, 22,867.31 and 9,016.92

Step by Step Solution

1. Step 1: Write the proportion equation
   16,570.78 : 22,867.31 = 9,016.92 : x
2. Step 2: Convert to fraction form
   16,570.78/22,867.31 = 9,016.92/x
3. Step 3: Cross multiply
   16,570.78x = 22,867.31 × 9,016.92
4. Step 4: Simplify right side
   16,570.78x = 206,192,727.43
5. Step 5: Solve for x
   x = 206,192,727.43/16,570.78
6. Step 6: Final answer
   x = 12,443.15