Finding the Fourth Proportional to 3,942.80, 5,441.24 and 2,264.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,942.80 : 5,441.24 = 2,264.27 : x
2. Step 2: Convert to fraction form
   3,942.80/5,441.24 = 2,264.27/x
3. Step 3: Cross multiply
   3,942.80x = 5,441.24 × 2,264.27
4. Step 4: Simplify right side
   3,942.80x = 12,320,438.78
5. Step 5: Solve for x
   x = 12,320,438.78/3,942.80
6. Step 6: Final answer
   x = 3,124.80