Finding the Fourth Proportional to 6,958.49, 10,439.28 and 3,258.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,958.49 : 10,439.28 = 3,258.72 : x
2. Step 2: Convert to fraction form
   6,958.49/10,439.28 = 3,258.72/x
3. Step 3: Cross multiply
   6,958.49x = 10,439.28 × 3,258.72
4. Step 4: Simplify right side
   6,958.49x = 34,018,690.52
5. Step 5: Solve for x
   x = 34,018,690.52/6,958.49
6. Step 6: Final answer
   x = 4,888.81