Finding the Fourth Proportional to 3,308.40, 4,960.71 and 1,359

Step by Step Solution

1. Step 1: Write the proportion equation
   3,308.40 : 4,960.71 = 1,359 : x
2. Step 2: Convert to fraction form
   3,308.40/4,960.71 = 1,359/x
3. Step 3: Cross multiply
   3,308.40x = 4,960.71 × 1,359
4. Step 4: Simplify right side
   3,308.40x = 6,741,604.89
5. Step 5: Solve for x
   x = 6,741,604.89/3,308.40
6. Step 6: Final answer
   x = 2,037.72