Finding the Fourth Proportional to 2,055.56, 3,086.33 and 1,273.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055.56 : 3,086.33 = 1,273.29 : x
2. Step 2: Convert to fraction form
   2,055.56/3,086.33 = 1,273.29/x
3. Step 3: Cross multiply
   2,055.56x = 3,086.33 × 1,273.29
4. Step 4: Simplify right side
   2,055.56x = 3,929,786.76
5. Step 5: Solve for x
   x = 3,929,786.76/2,055.56
6. Step 6: Final answer
   x = 1,911.79