Finding the Fourth Proportional to 3,984.84, 5,498.34 and 2,306.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,984.84 : 5,498.34 = 2,306.31 : x
2. Step 2: Convert to fraction form
   3,984.84/5,498.34 = 2,306.31/x
3. Step 3: Cross multiply
   3,984.84x = 5,498.34 × 2,306.31
4. Step 4: Simplify right side
   3,984.84x = 12,680,876.53
5. Step 5: Solve for x
   x = 12,680,876.53/3,984.84
6. Step 6: Final answer
   x = 3,182.28