Finding the Fourth Proportional to 4,960.05, 7,425.50 and 3,105.42

Step by Step Solution

1. Step 1: Write the proportion equation
   4,960.05 : 7,425.50 = 3,105.42 : x
2. Step 2: Convert to fraction form
   4,960.05/7,425.50 = 3,105.42/x
3. Step 3: Cross multiply
   4,960.05x = 7,425.50 × 3,105.42
4. Step 4: Simplify right side
   4,960.05x = 23,059,280.68
5. Step 5: Solve for x
   x = 23,059,280.68/4,960.05
6. Step 6: Final answer
   x = 4,649.00