Finding the Fourth Proportional to 2,449.98, 3,380.91 and 1,330.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,449.98 : 3,380.91 = 1,330.89 : x
2. Step 2: Convert to fraction form
   2,449.98/3,380.91 = 1,330.89/x
3. Step 3: Cross multiply
   2,449.98x = 3,380.91 × 1,330.89
4. Step 4: Simplify right side
   2,449.98x = 4,499,619.31
5. Step 5: Solve for x
   x = 4,499,619.31/2,449.98
6. Step 6: Final answer
   x = 1,836.59