Finding the Fourth Proportional to 3,942.48, 5,440.71 and 2,264.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,942.48 : 5,440.71 = 2,264.42 : x
2. Step 2: Convert to fraction form
   3,942.48/5,440.71 = 2,264.42/x
3. Step 3: Cross multiply
   3,942.48x = 5,440.71 × 2,264.42
4. Step 4: Simplify right side
   3,942.48x = 12,320,025.33
5. Step 5: Solve for x
   x = 12,320,025.33/3,942.48
6. Step 6: Final answer
   x = 3,124.94