Finding the Fourth Proportional to 3,640.18, 5,022.72 and 2,068.24

Step by Step Solution

1. Step 1: Write the proportion equation
   3,640.18 : 5,022.72 = 2,068.24 : x
2. Step 2: Convert to fraction form
   3,640.18/5,022.72 = 2,068.24/x
3. Step 3: Cross multiply
   3,640.18x = 5,022.72 × 2,068.24
4. Step 4: Simplify right side
   3,640.18x = 10,388,190.41
5. Step 5: Solve for x
   x = 10,388,190.41/3,640.18
6. Step 6: Final answer
   x = 2,853.76