Finding the Fourth Proportional to 17,271.97, 23,835.05 and 9,718.31

Step by Step Solution

1. Step 1: Write the proportion equation
   17,271.97 : 23,835.05 = 9,718.31 : x
2. Step 2: Convert to fraction form
   17,271.97/23,835.05 = 9,718.31/x
3. Step 3: Cross multiply
   17,271.97x = 23,835.05 × 9,718.31
4. Step 4: Simplify right side
   17,271.97x = 231,636,404.77
5. Step 5: Solve for x
   x = 231,636,404.77/17,271.97
6. Step 6: Final answer
   x = 13,411.12