Finding the Fourth Proportional to 16,969.72, 23,417.58 and 9,517.24

Step by Step Solution

1. Step 1: Write the proportion equation
   16,969.72 : 23,417.58 = 9,517.24 : x
2. Step 2: Convert to fraction form
   16,969.72/23,417.58 = 9,517.24/x
3. Step 3: Cross multiply
   16,969.72x = 23,417.58 × 9,517.24
4. Step 4: Simplify right side
   16,969.72x = 222,870,729.08
5. Step 5: Solve for x
   x = 222,870,729.08/16,969.72
6. Step 6: Final answer
   x = 13,133.44