Finding the Fourth Proportional to 16,570.56, 22,867.09 and 9,016.69

Step by Step Solution

1. Step 1: Write the proportion equation
   16,570.56 : 22,867.09 = 9,016.69 : x
2. Step 2: Convert to fraction form
   16,570.56/22,867.09 = 9,016.69/x
3. Step 3: Cross multiply
   16,570.56x = 22,867.09 × 9,016.69
4. Step 4: Simplify right side
   16,570.56x = 206,185,461.73
5. Step 5: Solve for x
   x = 206,185,461.73/16,570.56
6. Step 6: Final answer
   x = 12,442.88