Finding the Fourth Proportional to 2,727.38, 4,089.18 and 1,429.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,727.38 : 4,089.18 = 1,429.76 : x
2. Step 2: Convert to fraction form
   2,727.38/4,089.18 = 1,429.76/x
3. Step 3: Cross multiply
   2,727.38x = 4,089.18 × 1,429.76
4. Step 4: Simplify right side
   2,727.38x = 5,846,546.00
5. Step 5: Solve for x
   x = 5,846,546.00/2,727.38
6. Step 6: Final answer
   x = 2,143.65