Finding the Fourth Proportional to 2,959.38, 4,080.15 and 2,426.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,959.38 : 4,080.15 = 2,426.31 : x
2. Step 2: Convert to fraction form
   2,959.38/4,080.15 = 2,426.31/x
3. Step 3: Cross multiply
   2,959.38x = 4,080.15 × 2,426.31
4. Step 4: Simplify right side
   2,959.38x = 9,899,708.75
5. Step 5: Solve for x
   x = 9,899,708.75/2,959.38
6. Step 6: Final answer
   x = 3,345.20