Finding the Fourth Proportional to 2,078.20, 2,848.43 and 2,063.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,078.20 : 2,848.43 = 2,063.80 : x
2. Step 2: Convert to fraction form
   2,078.20/2,848.43 = 2,063.80/x
3. Step 3: Cross multiply
   2,078.20x = 2,848.43 × 2,063.80
4. Step 4: Simplify right side
   2,078.20x = 5,878,589.83
5. Step 5: Solve for x
   x = 5,878,589.83/2,078.20
6. Step 6: Final answer
   x = 2,828.69