Finding the Fourth Proportional to 2,433.92, 3,645.61 and 1,393.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,433.92 : 3,645.61 = 1,393.40 : x
2. Step 2: Convert to fraction form
   2,433.92/3,645.61 = 1,393.40/x
3. Step 3: Cross multiply
   2,433.92x = 3,645.61 × 1,393.40
4. Step 4: Simplify right side
   2,433.92x = 5,079,798.60
5. Step 5: Solve for x
   x = 5,079,798.60/2,433.92
6. Step 6: Final answer
   x = 2,087.09