Finding the Fourth Proportional to 2,348.05, 3,240.32 and 1,271.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,348.05 : 3,240.32 = 1,271.33 : x
2. Step 2: Convert to fraction form
   2,348.05/3,240.32 = 1,271.33/x
3. Step 3: Cross multiply
   2,348.05x = 3,240.32 × 1,271.33
4. Step 4: Simplify right side
   2,348.05x = 4,119,523.85
5. Step 5: Solve for x
   x = 4,119,523.85/2,348.05
6. Step 6: Final answer
   x = 1,754.45