Finding the Fourth Proportional to 17,718.58, 24,450.78 and 9,760.60

Step by Step Solution

1. Step 1: Write the proportion equation
   17,718.58 : 24,450.78 = 9,760.60 : x
2. Step 2: Convert to fraction form
   17,718.58/24,450.78 = 9,760.60/x
3. Step 3: Cross multiply
   17,718.58x = 24,450.78 × 9,760.60
4. Step 4: Simplify right side
   17,718.58x = 238,654,283.27
5. Step 5: Solve for x
   x = 238,654,283.27/17,718.58
6. Step 6: Final answer
   x = 13,469.15