Finding the Fourth Proportional to 2,498.23, 3,746.74 and 854.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,498.23 : 3,746.74 = 854.34 : x
2. Step 2: Convert to fraction form
   2,498.23/3,746.74 = 854.34/x
3. Step 3: Cross multiply
   2,498.23x = 3,746.74 × 854.34
4. Step 4: Simplify right side
   2,498.23x = 3,200,989.85
5. Step 5: Solve for x
   x = 3,200,989.85/2,498.23
6. Step 6: Final answer
   x = 1,281.30