Finding the Fourth Proportional to 2,078.56, 2,866.18 and 2,047.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,078.56 : 2,866.18 = 2,047.92 : x
2. Step 2: Convert to fraction form
   2,078.56/2,866.18 = 2,047.92/x
3. Step 3: Cross multiply
   2,078.56x = 2,866.18 × 2,047.92
4. Step 4: Simplify right side
   2,078.56x = 5,869,707.35
5. Step 5: Solve for x
   x = 5,869,707.35/2,078.56
6. Step 6: Final answer
   x = 2,823.93