Finding the Fourth Proportional to 2,498.96, 3,749.22 and 855.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,498.96 : 3,749.22 = 855.52 : x
2. Step 2: Convert to fraction form
   2,498.96/3,749.22 = 855.52/x
3. Step 3: Cross multiply
   2,498.96x = 3,749.22 × 855.52
4. Step 4: Simplify right side
   2,498.96x = 3,207,532.69
5. Step 5: Solve for x
   x = 3,207,532.69/2,498.96
6. Step 6: Final answer
   x = 1,283.55