Finding the Fourth Proportional to 3,868.83, 5,337.63 and 2,543.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,868.83 : 5,337.63 = 2,543.27 : x
2. Step 2: Convert to fraction form
   3,868.83/5,337.63 = 2,543.27/x
3. Step 3: Cross multiply
   3,868.83x = 5,337.63 × 2,543.27
4. Step 4: Simplify right side
   3,868.83x = 13,575,007.56
5. Step 5: Solve for x
   x = 13,575,007.56/3,868.83
6. Step 6: Final answer
   x = 3,508.81