Finding the Fourth Proportional to 2,268.20, 3,131.88 and 1,828.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,268.20 : 3,131.88 = 1,828.18 : x
2. Step 2: Convert to fraction form
   2,268.20/3,131.88 = 1,828.18/x
3. Step 3: Cross multiply
   2,268.20x = 3,131.88 × 1,828.18
4. Step 4: Simplify right side
   2,268.20x = 5,725,640.38
5. Step 5: Solve for x
   x = 5,725,640.38/2,268.20
6. Step 6: Final answer
   x = 2,524.31