Finding the Fourth Proportional to 2,498.46, 3,747.75 and 855.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,498.46 : 3,747.75 = 855.00 : x
2. Step 2: Convert to fraction form
   2,498.46/3,747.75 = 855.00/x
3. Step 3: Cross multiply
   2,498.46x = 3,747.75 × 855.00
4. Step 4: Simplify right side
   2,498.46x = 3,204,307.51
5. Step 5: Solve for x
   x = 3,204,307.51/2,498.46
6. Step 6: Final answer
   x = 1,282.51