Finding the Fourth Proportional to 16,570.52, 22,867.42 and 9,016.91

Step by Step Solution

1. Step 1: Write the proportion equation
   16,570.52 : 22,867.42 = 9,016.91 : x
2. Step 2: Convert to fraction form
   16,570.52/22,867.42 = 9,016.91/x
3. Step 3: Cross multiply
   16,570.52x = 22,867.42 × 9,016.91
4. Step 4: Simplify right side
   16,570.52x = 206,193,468.07
5. Step 5: Solve for x
   x = 206,193,468.07/16,570.52
6. Step 6: Final answer
   x = 12,443.39