Finding the Fourth Proportional to 3,639.98, 5,022.96 and 2,068.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,639.98 : 5,022.96 = 2,068.04 : x
2. Step 2: Convert to fraction form
   3,639.98/5,022.96 = 2,068.04/x
3. Step 3: Cross multiply
   3,639.98x = 5,022.96 × 2,068.04
4. Step 4: Simplify right side
   3,639.98x = 10,387,682.20
5. Step 5: Solve for x
   x = 10,387,682.20/3,639.98
6. Step 6: Final answer
   x = 2,853.77