Finding the Fourth Proportional to 2,722.56, 4,086.18 and 1,491.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,722.56 : 4,086.18 = 1,491.18 : x
2. Step 2: Convert to fraction form
   2,722.56/4,086.18 = 1,491.18/x
3. Step 3: Cross multiply
   2,722.56x = 4,086.18 × 1,491.18
4. Step 4: Simplify right side
   2,722.56x = 6,093,229.89
5. Step 5: Solve for x
   x = 6,093,229.89/2,722.56
6. Step 6: Final answer
   x = 2,238.05