Finding the Fourth Proportional to 17,215.84, 23,758.96 and 9,662.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,215.84 : 23,758.96 = 9,662.72 : x
2. Step 2: Convert to fraction form
   17,215.84/23,758.96 = 9,662.72/x
3. Step 3: Cross multiply
   17,215.84x = 23,758.96 × 9,662.72
4. Step 4: Simplify right side
   17,215.84x = 229,576,177.97
5. Step 5: Solve for x
   x = 229,576,177.97/17,215.84
6. Step 6: Final answer
   x = 13,335.17