Finding the Fourth Proportional to 2,743.03, 4,111.53 and 1,280.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,743.03 : 4,111.53 = 1,280.98 : x
2. Step 2: Convert to fraction form
   2,743.03/4,111.53 = 1,280.98/x
3. Step 3: Cross multiply
   2,743.03x = 4,111.53 × 1,280.98
4. Step 4: Simplify right side
   2,743.03x = 5,266,787.70
5. Step 5: Solve for x
   x = 5,266,787.70/2,743.03
6. Step 6: Final answer
   x = 1,920.06