Finding the Fourth Proportional to 3,959.06, 5,463.38 and 2,280.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,959.06 : 5,463.38 = 2,280.42 : x
2. Step 2: Convert to fraction form
   3,959.06/5,463.38 = 2,280.42/x
3. Step 3: Cross multiply
   3,959.06x = 5,463.38 × 2,280.42
4. Step 4: Simplify right side
   3,959.06x = 12,458,801.02
5. Step 5: Solve for x
   x = 12,458,801.02/3,959.06
6. Step 6: Final answer
   x = 3,146.91