Finding the Fourth Proportional to 2,068.38, 3,103.11 and 681.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.38 : 3,103.11 = 681.89 : x
2. Step 2: Convert to fraction form
   2,068.38/3,103.11 = 681.89/x
3. Step 3: Cross multiply
   2,068.38x = 3,103.11 × 681.89
4. Step 4: Simplify right side
   2,068.38x = 2,115,964.16
5. Step 5: Solve for x
   x = 2,115,964.16/2,068.38
6. Step 6: Final answer
   x = 1,023.01