Finding the Fourth Proportional to 16,570.57, 22,866.93 and 9,016.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,570.57 : 22,866.93 = 9,016.72 : x
2. Step 2: Convert to fraction form
   16,570.57/22,866.93 = 9,016.72/x
3. Step 3: Cross multiply
   16,570.57x = 22,866.93 × 9,016.72
4. Step 4: Simplify right side
   16,570.57x = 206,184,760.91
5. Step 5: Solve for x
   x = 206,184,760.91/16,570.57
6. Step 6: Final answer
   x = 12,442.83