Finding the Fourth Proportional to 2,758.13, 4,155.59 and 2,494.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,758.13 : 4,155.59 = 2,494.88 : x
2. Step 2: Convert to fraction form
   2,758.13/4,155.59 = 2,494.88/x
3. Step 3: Cross multiply
   2,758.13x = 4,155.59 × 2,494.88
4. Step 4: Simplify right side
   2,758.13x = 10,367,698.38
5. Step 5: Solve for x
   x = 10,367,698.38/2,758.13
6. Step 6: Final answer
   x = 3,758.97