Finding the Fourth Proportional to 17,261.89, 23,820.42 and 9,708.52

Step by Step Solution

1. Step 1: Write the proportion equation
   17,261.89 : 23,820.42 = 9,708.52 : x
2. Step 2: Convert to fraction form
   17,261.89/23,820.42 = 9,708.52/x
3. Step 3: Cross multiply
   17,261.89x = 23,820.42 × 9,708.52
4. Step 4: Simplify right side
   17,261.89x = 231,261,023.98
5. Step 5: Solve for x
   x = 231,261,023.98/17,261.89
6. Step 6: Final answer
   x = 13,397.20