Finding the Fourth Proportional to 8,498.46, 12,747.81 and 2,258.58

Step by Step Solution

1. Step 1: Write the proportion equation
   8,498.46 : 12,747.81 = 2,258.58 : x
2. Step 2: Convert to fraction form
   8,498.46/12,747.81 = 2,258.58/x
3. Step 3: Cross multiply
   8,498.46x = 12,747.81 × 2,258.58
4. Step 4: Simplify right side
   8,498.46x = 28,791,948.71
5. Step 5: Solve for x
   x = 28,791,948.71/8,498.46
6. Step 6: Final answer
   x = 3,387.90