Finding the Fourth Proportional to 17,678.96, 24,401.54 and 10,960.64

Step by Step Solution

1. Step 1: Write the proportion equation
   17,678.96 : 24,401.54 = 10,960.64 : x
2. Step 2: Convert to fraction form
   17,678.96/24,401.54 = 10,960.64/x
3. Step 3: Cross multiply
   17,678.96x = 24,401.54 × 10,960.64
4. Step 4: Simplify right side
   17,678.96x = 267,456,495.39
5. Step 5: Solve for x
   x = 267,456,495.39/17,678.96
6. Step 6: Final answer
   x = 15,128.52