Finding the Fourth Proportional to 2,386.24, 3,293.07 and 1,338.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,386.24 : 3,293.07 = 1,338.28 : x
2. Step 2: Convert to fraction form
   2,386.24/3,293.07 = 1,338.28/x
3. Step 3: Cross multiply
   2,386.24x = 3,293.07 × 1,338.28
4. Step 4: Simplify right side
   2,386.24x = 4,407,049.72
5. Step 5: Solve for x
   x = 4,407,049.72/2,386.24
6. Step 6: Final answer
   x = 1,846.86