Finding the Fourth Proportional to 3,662.98, 5,057.22 and 2,543.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,662.98 : 5,057.22 = 2,543.56 : x
2. Step 2: Convert to fraction form
   3,662.98/5,057.22 = 2,543.56/x
3. Step 3: Cross multiply
   3,662.98x = 5,057.22 × 2,543.56
4. Step 4: Simplify right side
   3,662.98x = 12,863,342.50
5. Step 5: Solve for x
   x = 12,863,342.50/3,662.98
6. Step 6: Final answer
   x = 3,511.72