Finding the Fourth Proportional to 2,498.58, 3,449.48 and 1,660.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,498.58 : 3,449.48 = 1,660.42 : x
2. Step 2: Convert to fraction form
   2,498.58/3,449.48 = 1,660.42/x
3. Step 3: Cross multiply
   2,498.58x = 3,449.48 × 1,660.42
4. Step 4: Simplify right side
   2,498.58x = 5,727,585.58
5. Step 5: Solve for x
   x = 5,727,585.58/2,498.58
6. Step 6: Final answer
   x = 2,292.34