Finding the Fourth Proportional to 2,648.25, 3,944.39 and 2,509.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,648.25 : 3,944.39 = 2,509.47 : x
2. Step 2: Convert to fraction form
   2,648.25/3,944.39 = 2,509.47/x
3. Step 3: Cross multiply
   2,648.25x = 3,944.39 × 2,509.47
4. Step 4: Simplify right side
   2,648.25x = 9,898,315.83
5. Step 5: Solve for x
   x = 9,898,315.83/2,648.25
6. Step 6: Final answer
   x = 3,737.68