Finding the Fourth Proportional to 2,342.89, 3,233.24 and 1,280.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,342.89 : 3,233.24 = 1,280.67 : x
2. Step 2: Convert to fraction form
   2,342.89/3,233.24 = 1,280.67/x
3. Step 3: Cross multiply
   2,342.89x = 3,233.24 × 1,280.67
4. Step 4: Simplify right side
   2,342.89x = 4,140,713.47
5. Step 5: Solve for x
   x = 4,140,713.47/2,342.89
6. Step 6: Final answer
   x = 1,767.35