Finding the Fourth Proportional to 17,009.40, 23,472.36 and 9,456.06

Step by Step Solution

1. Step 1: Write the proportion equation
   17,009.40 : 23,472.36 = 9,456.06 : x
2. Step 2: Convert to fraction form
   17,009.40/23,472.36 = 9,456.06/x
3. Step 3: Cross multiply
   17,009.40x = 23,472.36 × 9,456.06
4. Step 4: Simplify right side
   17,009.40x = 221,956,044.50
5. Step 5: Solve for x
   x = 221,956,044.50/17,009.40
6. Step 6: Final answer
   x = 13,049.02