Finding the Fourth Proportional to 2,357.25, 3,253.08 and 1,309.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,357.25 : 3,253.08 = 1,309.38 : x
2. Step 2: Convert to fraction form
   2,357.25/3,253.08 = 1,309.38/x
3. Step 3: Cross multiply
   2,357.25x = 3,253.08 × 1,309.38
4. Step 4: Simplify right side
   2,357.25x = 4,259,517.89
5. Step 5: Solve for x
   x = 4,259,517.89/2,357.25
6. Step 6: Final answer
   x = 1,806.99