Finding the Fourth Proportional to 2,731.55, 3,769.55 and 1,489.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,731.55 : 3,769.55 = 1,489.55 : x
2. Step 2: Convert to fraction form
   2,731.55/3,769.55 = 1,489.55/x
3. Step 3: Cross multiply
   2,731.55x = 3,769.55 × 1,489.55
4. Step 4: Simplify right side
   2,731.55x = 5,614,906.91
5. Step 5: Solve for x
   x = 5,614,906.91/2,731.55
6. Step 6: Final answer
   x = 2,055.58