Finding the Fourth Proportional to 2,724.24, 4,086.24 and 1,336.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,724.24 : 4,086.24 = 1,336.56 : x
2. Step 2: Convert to fraction form
   2,724.24/4,086.24 = 1,336.56/x
3. Step 3: Cross multiply
   2,724.24x = 4,086.24 × 1,336.56
4. Step 4: Simplify right side
   2,724.24x = 5,461,504.93
5. Step 5: Solve for x
   x = 5,461,504.93/2,724.24
6. Step 6: Final answer
   x = 2,004.78