Finding the Fourth Proportional to 3,640.62, 5,023.89 and 2,068.68

Step by Step Solution

1. Step 1: Write the proportion equation
   3,640.62 : 5,023.89 = 2,068.68 : x
2. Step 2: Convert to fraction form
   3,640.62/5,023.89 = 2,068.68/x
3. Step 3: Cross multiply
   3,640.62x = 5,023.89 × 2,068.68
4. Step 4: Simplify right side
   3,640.62x = 10,392,820.77
5. Step 5: Solve for x
   x = 10,392,820.77/3,640.62
6. Step 6: Final answer
   x = 2,854.68