Finding the Fourth Proportional to 2,340.27, 3,512.30 and 1,648.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,340.27 : 3,512.30 = 1,648.31 : x
2. Step 2: Convert to fraction form
   2,340.27/3,512.30 = 1,648.31/x
3. Step 3: Cross multiply
   2,340.27x = 3,512.30 × 1,648.31
4. Step 4: Simplify right side
   2,340.27x = 5,789,333.41
5. Step 5: Solve for x
   x = 5,789,333.41/2,340.27
6. Step 6: Final answer
   x = 2,473.79