Finding the Fourth Proportional to 2,078.06, 2,865.49 and 2,047.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,078.06 : 2,865.49 = 2,047.42 : x
2. Step 2: Convert to fraction form
   2,078.06/2,865.49 = 2,047.42/x
3. Step 3: Cross multiply
   2,078.06x = 2,865.49 × 2,047.42
4. Step 4: Simplify right side
   2,078.06x = 5,866,861.54
5. Step 5: Solve for x
   x = 5,866,861.54/2,078.06
6. Step 6: Final answer
   x = 2,823.24