Finding the Fourth Proportional to 3,647.59, 5,474.25 and 2,544.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,647.59 : 5,474.25 = 2,544.78 : x
2. Step 2: Convert to fraction form
   3,647.59/5,474.25 = 2,544.78/x
3. Step 3: Cross multiply
   3,647.59x = 5,474.25 × 2,544.78
4. Step 4: Simplify right side
   3,647.59x = 13,930,761.92
5. Step 5: Solve for x
   x = 13,930,761.92/3,647.59
6. Step 6: Final answer
   x = 3,819.17