Finding the Fourth Proportional to 3,984.24, 5,499.39 and 2,306.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,984.24 : 5,499.39 = 2,306.78 : x
2. Step 2: Convert to fraction form
   3,984.24/5,499.39 = 2,306.78/x
3. Step 3: Cross multiply
   3,984.24x = 5,499.39 × 2,306.78
4. Step 4: Simplify right side
   3,984.24x = 12,685,884.64
5. Step 5: Solve for x
   x = 12,685,884.64/3,984.24
6. Step 6: Final answer
   x = 3,184.02