Finding the Fourth Proportional to 2,498.50, 3,747.38 and 854.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,498.50 : 3,747.38 = 854.80 : x
2. Step 2: Convert to fraction form
   2,498.50/3,747.38 = 854.80/x
3. Step 3: Cross multiply
   2,498.50x = 3,747.38 × 854.80
4. Step 4: Simplify right side
   2,498.50x = 3,203,260.42
5. Step 5: Solve for x
   x = 3,203,260.42/2,498.50
6. Step 6: Final answer
   x = 1,282.07