Finding the Fourth Proportional to 10,960.15, 16,442.79 and 3,168.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,960.15 : 16,442.79 = 3,168.76 : x
2. Step 2: Convert to fraction form
   10,960.15/16,442.79 = 3,168.76/x
3. Step 3: Cross multiply
   10,960.15x = 16,442.79 × 3,168.76
4. Step 4: Simplify right side
   10,960.15x = 52,103,255.24
5. Step 5: Solve for x
   x = 52,103,255.24/10,960.15
6. Step 6: Final answer
   x = 4,753.88