Finding the Fourth Proportional to 4,142.18, 5,715.86 and 2,440.42

Step by Step Solution

1. Step 1: Write the proportion equation
   4,142.18 : 5,715.86 = 2,440.42 : x
2. Step 2: Convert to fraction form
   4,142.18/5,715.86 = 2,440.42/x
3. Step 3: Cross multiply
   4,142.18x = 5,715.86 × 2,440.42
4. Step 4: Simplify right side
   4,142.18x = 13,949,099.06
5. Step 5: Solve for x
   x = 13,949,099.06/4,142.18
6. Step 6: Final answer
   x = 3,367.57