Finding the Fourth Proportional to 10,960.88, 16,443.78 and 3,170.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,960.88 : 16,443.78 = 3,170.30 : x
2. Step 2: Convert to fraction form
   10,960.88/16,443.78 = 3,170.30/x
3. Step 3: Cross multiply
   10,960.88x = 16,443.78 × 3,170.30
4. Step 4: Simplify right side
   10,960.88x = 52,131,715.73
5. Step 5: Solve for x
   x = 52,131,715.73/10,960.88
6. Step 6: Final answer
   x = 4,756.16