Finding the Fourth Proportional to 3,985.27, 5,499.05 and 2,306.84

Step by Step Solution

1. Step 1: Write the proportion equation
   3,985.27 : 5,499.05 = 2,306.84 : x
2. Step 2: Convert to fraction form
   3,985.27/5,499.05 = 2,306.84/x
3. Step 3: Cross multiply
   3,985.27x = 5,499.05 × 2,306.84
4. Step 4: Simplify right side
   3,985.27x = 12,685,389.47
5. Step 5: Solve for x
   x = 12,685,389.47/3,985.27
6. Step 6: Final answer
   x = 3,183.07