Finding the Fourth Proportional to 2,457.38, 3,391.25 and 1,338.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,457.38 : 3,391.25 = 1,338.37 : x
2. Step 2: Convert to fraction form
   2,457.38/3,391.25 = 1,338.37/x
3. Step 3: Cross multiply
   2,457.38x = 3,391.25 × 1,338.37
4. Step 4: Simplify right side
   2,457.38x = 4,538,747.26
5. Step 5: Solve for x
   x = 4,538,747.26/2,457.38
6. Step 6: Final answer
   x = 1,846.99