Finding the Fourth Proportional to 3,949.68, 5,922.60 and 2,306.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,949.68 : 5,922.60 = 2,306.76 : x
2. Step 2: Convert to fraction form
   3,949.68/5,922.60 = 2,306.76/x
3. Step 3: Cross multiply
   3,949.68x = 5,922.60 × 2,306.76
4. Step 4: Simplify right side
   3,949.68x = 13,662,016.78
5. Step 5: Solve for x
   x = 13,662,016.78/3,949.68
6. Step 6: Final answer
   x = 3,459.02