Finding the Fourth Proportional to 3,055.40, 4,578.34 and 2,363.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,055.40 : 4,578.34 = 2,363.78 : x
2. Step 2: Convert to fraction form
   3,055.40/4,578.34 = 2,363.78/x
3. Step 3: Cross multiply
   3,055.40x = 4,578.34 × 2,363.78
4. Step 4: Simplify right side
   3,055.40x = 10,822,188.53
5. Step 5: Solve for x
   x = 10,822,188.53/3,055.40
6. Step 6: Final answer
   x = 3,541.99