Finding the Fourth Proportional to 3,843.47, 5,304.05 and 2,271.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,843.47 : 5,304.05 = 2,271.57 : x
2. Step 2: Convert to fraction form
   3,843.47/5,304.05 = 2,271.57/x
3. Step 3: Cross multiply
   3,843.47x = 5,304.05 × 2,271.57
4. Step 4: Simplify right side
   3,843.47x = 12,048,520.86
5. Step 5: Solve for x
   x = 12,048,520.86/3,843.47
6. Step 6: Final answer
   x = 3,134.80