Finding the Fourth Proportional to 3,941.04, 5,438.79 and 2,262.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,941.04 : 5,438.79 = 2,262.42 : x
2. Step 2: Convert to fraction form
   3,941.04/5,438.79 = 2,262.42/x
3. Step 3: Cross multiply
   3,941.04x = 5,438.79 × 2,262.42
4. Step 4: Simplify right side
   3,941.04x = 12,304,827.27
5. Step 5: Solve for x
   x = 12,304,827.27/3,941.04
6. Step 6: Final answer
   x = 3,122.23