Finding the Fourth Proportional to 3,085.98, 4,254.12 and 2,456.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,085.98 : 4,254.12 = 2,456.76 : x
2. Step 2: Convert to fraction form
   3,085.98/4,254.12 = 2,456.76/x
3. Step 3: Cross multiply
   3,085.98x = 4,254.12 × 2,456.76
4. Step 4: Simplify right side
   3,085.98x = 10,451,351.85
5. Step 5: Solve for x
   x = 10,451,351.85/3,085.98
6. Step 6: Final answer
   x = 3,386.72