Finding the Fourth Proportional to 2,054.28, 3,078.71 and 1,793.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,054.28 : 3,078.71 = 1,793.60 : x
2. Step 2: Convert to fraction form
   2,054.28/3,078.71 = 1,793.60/x
3. Step 3: Cross multiply
   2,054.28x = 3,078.71 × 1,793.60
4. Step 4: Simplify right side
   2,054.28x = 5,521,974.26
5. Step 5: Solve for x
   x = 5,521,974.26/2,054.28
6. Step 6: Final answer
   x = 2,688.03