Finding the Fourth Proportional to 16,570.72, 22,867.69 and 9,017.10

Step by Step Solution

1. Step 1: Write the proportion equation
   16,570.72 : 22,867.69 = 9,017.10 : x
2. Step 2: Convert to fraction form
   16,570.72/22,867.69 = 9,017.10/x
3. Step 3: Cross multiply
   16,570.72x = 22,867.69 × 9,017.10
4. Step 4: Simplify right side
   16,570.72x = 206,200,247.50
5. Step 5: Solve for x
   x = 206,200,247.50/16,570.72
6. Step 6: Final answer
   x = 12,443.65