Finding the Fourth Proportional to 2,727.81, 3,764.39 and 1,485.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,727.81 : 3,764.39 = 1,485.81 : x
2. Step 2: Convert to fraction form
   2,727.81/3,764.39 = 1,485.81/x
3. Step 3: Cross multiply
   2,727.81x = 3,764.39 × 1,485.81
4. Step 4: Simplify right side
   2,727.81x = 5,593,168.31
5. Step 5: Solve for x
   x = 5,593,168.31/2,727.81
6. Step 6: Final answer
   x = 2,050.42