Finding the Fourth Proportional to 2,403.94, 3,608.98 and 1,309.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,403.94 : 3,608.98 = 1,309.08 : x
2. Step 2: Convert to fraction form
   2,403.94/3,608.98 = 1,309.08/x
3. Step 3: Cross multiply
   2,403.94x = 3,608.98 × 1,309.08
4. Step 4: Simplify right side
   2,403.94x = 4,724,443.54
5. Step 5: Solve for x
   x = 4,724,443.54/2,403.94
6. Step 6: Final answer
   x = 1,965.29