Finding the Fourth Proportional to 17,662.79, 24,374.79 and 9,705.15

Step by Step Solution

1. Step 1: Write the proportion equation
   17,662.79 : 24,374.79 = 9,705.15 : x
2. Step 2: Convert to fraction form
   17,662.79/24,374.79 = 9,705.15/x
3. Step 3: Cross multiply
   17,662.79x = 24,374.79 × 9,705.15
4. Step 4: Simplify right side
   17,662.79x = 236,560,993.17
5. Step 5: Solve for x
   x = 236,560,993.17/17,662.79
6. Step 6: Final answer
   x = 13,393.18