Finding the Fourth Proportional to 2,498.52, 3,449.60 and 1,555.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,498.52 : 3,449.60 = 1,555.68 : x
2. Step 2: Convert to fraction form
   2,498.52/3,449.60 = 1,555.68/x
3. Step 3: Cross multiply
   2,498.52x = 3,449.60 × 1,555.68
4. Step 4: Simplify right side
   2,498.52x = 5,366,473.73
5. Step 5: Solve for x
   x = 5,366,473.73/2,498.52
6. Step 6: Final answer
   x = 2,147.86