Finding the Fourth Proportional to 3,227.25, 4,840.89 and 1,280.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,227.25 : 4,840.89 = 1,280.82 : x
2. Step 2: Convert to fraction form
   3,227.25/4,840.89 = 1,280.82/x
3. Step 3: Cross multiply
   3,227.25x = 4,840.89 × 1,280.82
4. Step 4: Simplify right side
   3,227.25x = 6,200,308.73
5. Step 5: Solve for x
   x = 6,200,308.73/3,227.25
6. Step 6: Final answer
   x = 1,921.24