Finding the Fourth Proportional to 2,025.80, 2,843.80 and 2,025.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,025.80 : 2,843.80 = 2,025.80 : x
2. Step 2: Convert to fraction form
   2,025.80/2,843.80 = 2,025.80/x
3. Step 3: Cross multiply
   2,025.80x = 2,843.80 × 2,025.80
4. Step 4: Simplify right side
   2,025.80x = 5,760,970.04
5. Step 5: Solve for x
   x = 5,760,970.04/2,025.80
6. Step 6: Final answer
   x = 2,843.80