Finding the Fourth Proportional to 2,927.27, 4,390.71 and 1,078.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,927.27 : 4,390.71 = 1,078.04 : x
2. Step 2: Convert to fraction form
   2,927.27/4,390.71 = 1,078.04/x
3. Step 3: Cross multiply
   2,927.27x = 4,390.71 × 1,078.04
4. Step 4: Simplify right side
   2,927.27x = 4,733,367.94
5. Step 5: Solve for x
   x = 4,733,367.94/2,927.27
6. Step 6: Final answer
   x = 1,616.99