Finding the Fourth Proportional to 3,640.24, 5,023.56 and 2,068.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,640.24 : 5,023.56 = 2,068.48 : x
2. Step 2: Convert to fraction form
   3,640.24/5,023.56 = 2,068.48/x
3. Step 3: Cross multiply
   3,640.24x = 5,023.56 × 2,068.48
4. Step 4: Simplify right side
   3,640.24x = 10,391,133.39
5. Step 5: Solve for x
   x = 10,391,133.39/3,640.24
6. Step 6: Final answer
   x = 2,854.52