Finding the Fourth Proportional to 17,686.89, 24,394.07 and 10,968.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,686.89 : 24,394.07 = 10,968.72 : x
2. Step 2: Convert to fraction form
   17,686.89/24,394.07 = 10,968.72/x
3. Step 3: Cross multiply
   17,686.89x = 24,394.07 × 10,968.72
4. Step 4: Simplify right side
   17,686.89x = 267,571,723.49
5. Step 5: Solve for x
   x = 267,571,723.49/17,686.89
6. Step 6: Final answer
   x = 15,128.25