Finding the Fourth Proportional to 3,984.83, 5,498.60 and 2,306.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,984.83 : 5,498.60 = 2,306.31 : x
2. Step 2: Convert to fraction form
   3,984.83/5,498.60 = 2,306.31/x
3. Step 3: Cross multiply
   3,984.83x = 5,498.60 × 2,306.31
4. Step 4: Simplify right side
   3,984.83x = 12,681,464.63
5. Step 5: Solve for x
   x = 12,681,464.63/3,984.83
6. Step 6: Final answer
   x = 3,182.43