Finding the Fourth Proportional to 8,258.32, 12,386.15 and 2,711.55

Step by Step Solution

1. Step 1: Write the proportion equation
   8,258.32 : 12,386.15 = 2,711.55 : x
2. Step 2: Convert to fraction form
   8,258.32/12,386.15 = 2,711.55/x
3. Step 3: Cross multiply
   8,258.32x = 12,386.15 × 2,711.55
4. Step 4: Simplify right side
   8,258.32x = 33,585,665.03
5. Step 5: Solve for x
   x = 33,585,665.03/8,258.32
6. Step 6: Final answer
   x = 4,066.89