Finding the Fourth Proportional to 2,578.33, 3,864.78 and 1,344.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,578.33 : 3,864.78 = 1,344.43 : x
2. Step 2: Convert to fraction form
   2,578.33/3,864.78 = 1,344.43/x
3. Step 3: Cross multiply
   2,578.33x = 3,864.78 × 1,344.43
4. Step 4: Simplify right side
   2,578.33x = 5,195,926.18
5. Step 5: Solve for x
   x = 5,195,926.18/2,578.33
6. Step 6: Final answer
   x = 2,015.23