Finding the Fourth Proportional to 2,078.88, 2,874.48 and 2,045.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,078.88 : 2,874.48 = 2,045.52 : x
2. Step 2: Convert to fraction form
   2,078.88/2,874.48 = 2,045.52/x
3. Step 3: Cross multiply
   2,078.88x = 2,874.48 × 2,045.52
4. Step 4: Simplify right side
   2,078.88x = 5,879,806.33
5. Step 5: Solve for x
   x = 5,879,806.33/2,078.88
6. Step 6: Final answer
   x = 2,828.35