Finding the Fourth Proportional to 2,659.67, 3,983.42 and 1,273.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,659.67 : 3,983.42 = 1,273.97 : x
2. Step 2: Convert to fraction form
   2,659.67/3,983.42 = 1,273.97/x
3. Step 3: Cross multiply
   2,659.67x = 3,983.42 × 1,273.97
4. Step 4: Simplify right side
   2,659.67x = 5,074,731.29
5. Step 5: Solve for x
   x = 5,074,731.29/2,659.67
6. Step 6: Final answer
   x = 1,908.03