Finding the Fourth Proportional to 2,683.04, 4,025.34 and 1,278.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,683.04 : 4,025.34 = 1,278.52 : x
2. Step 2: Convert to fraction form
   2,683.04/4,025.34 = 1,278.52/x
3. Step 3: Cross multiply
   2,683.04x = 4,025.34 × 1,278.52
4. Step 4: Simplify right side
   2,683.04x = 5,146,477.70
5. Step 5: Solve for x
   x = 5,146,477.70/2,683.04
6. Step 6: Final answer
   x = 1,918.15