Finding the Fourth Proportional to 2,043.78, 3,065.83 and 727.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,043.78 : 3,065.83 = 727.82 : x
2. Step 2: Convert to fraction form
   2,043.78/3,065.83 = 727.82/x
3. Step 3: Cross multiply
   2,043.78x = 3,065.83 × 727.82
4. Step 4: Simplify right side
   2,043.78x = 2,231,370.83
5. Step 5: Solve for x
   x = 2,231,370.83/2,043.78
6. Step 6: Final answer
   x = 1,091.79