Finding the Fourth Proportional to 5,243.94, 7,862.37 and 2,608.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,243.94 : 7,862.37 = 2,608.10 : x
2. Step 2: Convert to fraction form
   5,243.94/7,862.37 = 2,608.10/x
3. Step 3: Cross multiply
   5,243.94x = 7,862.37 × 2,608.10
4. Step 4: Simplify right side
   5,243.94x = 20,505,827.59
5. Step 5: Solve for x
   x = 20,505,827.59/5,243.94
6. Step 6: Final answer
   x = 3,910.39