Finding the Fourth Proportional to 2,498.51, 3,748.41 and 855.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,498.51 : 3,748.41 = 855.16 : x
2. Step 2: Convert to fraction form
   2,498.51/3,748.41 = 855.16/x
3. Step 3: Cross multiply
   2,498.51x = 3,748.41 × 855.16
4. Step 4: Simplify right side
   2,498.51x = 3,205,480.92
5. Step 5: Solve for x
   x = 3,205,480.92/2,498.51
6. Step 6: Final answer
   x = 1,282.96