Finding the Fourth Proportional to 2,731.69, 3,769.73 and 1,489.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,731.69 : 3,769.73 = 1,489.69 : x
2. Step 2: Convert to fraction form
   2,731.69/3,769.73 = 1,489.69/x
3. Step 3: Cross multiply
   2,731.69x = 3,769.73 × 1,489.69
4. Step 4: Simplify right side
   2,731.69x = 5,615,723.38
5. Step 5: Solve for x
   x = 5,615,723.38/2,731.69
6. Step 6: Final answer
   x = 2,055.77