Finding the Fourth Proportional to 2,449.94, 3,380.90 and 1,330.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,449.94 : 3,380.90 = 1,330.86 : x
2. Step 2: Convert to fraction form
   2,449.94/3,380.90 = 1,330.86/x
3. Step 3: Cross multiply
   2,449.94x = 3,380.90 × 1,330.86
4. Step 4: Simplify right side
   2,449.94x = 4,499,504.57
5. Step 5: Solve for x
   x = 4,499,504.57/2,449.94
6. Step 6: Final answer
   x = 1,836.58