Finding the Fourth Proportional to 3,640.08, 5,023.31 and 2,068.17

Step by Step Solution

1. Step 1: Write the proportion equation
   3,640.08 : 5,023.31 = 2,068.17 : x
2. Step 2: Convert to fraction form
   3,640.08/5,023.31 = 2,068.17/x
3. Step 3: Cross multiply
   3,640.08x = 5,023.31 × 2,068.17
4. Step 4: Simplify right side
   3,640.08x = 10,389,023.59
5. Step 5: Solve for x
   x = 10,389,023.59/3,640.08
6. Step 6: Final answer
   x = 2,854.07