Finding the Fourth Proportional to 2,306.72, 3,458.91 and 1,648.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,306.72 : 3,458.91 = 1,648.19 : x
2. Step 2: Convert to fraction form
   2,306.72/3,458.91 = 1,648.19/x
3. Step 3: Cross multiply
   2,306.72x = 3,458.91 × 1,648.19
4. Step 4: Simplify right side
   2,306.72x = 5,700,940.87
5. Step 5: Solve for x
   x = 5,700,940.87/2,306.72
6. Step 6: Final answer
   x = 2,471.45