Finding the Fourth Proportional to 2,343.16, 3,233.41 and 1,280.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,343.16 : 3,233.41 = 1,280.85 : x
2. Step 2: Convert to fraction form
   2,343.16/3,233.41 = 1,280.85/x
3. Step 3: Cross multiply
   2,343.16x = 3,233.41 × 1,280.85
4. Step 4: Simplify right side
   2,343.16x = 4,141,513.20
5. Step 5: Solve for x
   x = 4,141,513.20/2,343.16
6. Step 6: Final answer
   x = 1,767.49