Finding the Fourth Proportional to 2,741.76, 4,114.12 and 1,280.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,741.76 : 4,114.12 = 1,280.56 : x
2. Step 2: Convert to fraction form
   2,741.76/4,114.12 = 1,280.56/x
3. Step 3: Cross multiply
   2,741.76x = 4,114.12 × 1,280.56
4. Step 4: Simplify right side
   2,741.76x = 5,268,377.51
5. Step 5: Solve for x
   x = 5,268,377.51/2,741.76
6. Step 6: Final answer
   x = 1,921.53