Finding the Fourth Proportional to 2,078.79, 2,867.13 and 1,449.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,078.79 : 2,867.13 = 1,449.32 : x
2. Step 2: Convert to fraction form
   2,078.79/2,867.13 = 1,449.32/x
3. Step 3: Cross multiply
   2,078.79x = 2,867.13 × 1,449.32
4. Step 4: Simplify right side
   2,078.79x = 4,155,374.52
5. Step 5: Solve for x
   x = 4,155,374.52/2,078.79
6. Step 6: Final answer
   x = 1,998.94