Finding the Fourth Proportional to 17,258.40, 23,817.42 and 9,705.96

Step by Step Solution

1. Step 1: Write the proportion equation
   17,258.40 : 23,817.42 = 9,705.96 : x
2. Step 2: Convert to fraction form
   17,258.40/23,817.42 = 9,705.96/x
3. Step 3: Cross multiply
   17,258.40x = 23,817.42 × 9,705.96
4. Step 4: Simplify right side
   17,258.40x = 231,170,925.82
5. Step 5: Solve for x
   x = 231,170,925.82/17,258.40
6. Step 6: Final answer
   x = 13,394.69