Finding the Fourth Proportional to 16,997.29, 23,455.88 and 9,443.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,997.29 : 23,455.88 = 9,443.18 : x
2. Step 2: Convert to fraction form
   16,997.29/23,455.88 = 9,443.18/x
3. Step 3: Cross multiply
   16,997.29x = 23,455.88 × 9,443.18
4. Step 4: Simplify right side
   16,997.29x = 221,498,143.73
5. Step 5: Solve for x
   x = 221,498,143.73/16,997.29
6. Step 6: Final answer
   x = 13,031.38