Finding the Fourth Proportional to 2,741.81, 4,113.32 and 1,280.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,741.81 : 4,113.32 = 1,280.16 : x
2. Step 2: Convert to fraction form
   2,741.81/4,113.32 = 1,280.16/x
3. Step 3: Cross multiply
   2,741.81x = 4,113.32 × 1,280.16
4. Step 4: Simplify right side
   2,741.81x = 5,265,707.73
5. Step 5: Solve for x
   x = 5,265,707.73/2,741.81
6. Step 6: Final answer
   x = 1,920.52