Finding the Fourth Proportional to 2,498.85, 3,748.48 and 854.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,498.85 : 3,748.48 = 854.96 : x
2. Step 2: Convert to fraction form
   2,498.85/3,748.48 = 854.96/x
3. Step 3: Cross multiply
   2,498.85x = 3,748.48 × 854.96
4. Step 4: Simplify right side
   2,498.85x = 3,204,779.58
5. Step 5: Solve for x
   x = 3,204,779.58/2,498.85
6. Step 6: Final answer
   x = 1,282.50