Finding the Fourth Proportional to 2,068.38, 3,102.46 and 681.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.38 : 3,102.46 = 681.54 : x
2. Step 2: Convert to fraction form
   2,068.38/3,102.46 = 681.54/x
3. Step 3: Cross multiply
   2,068.38x = 3,102.46 × 681.54
4. Step 4: Simplify right side
   2,068.38x = 2,114,450.59
5. Step 5: Solve for x
   x = 2,114,450.59/2,068.38
6. Step 6: Final answer
   x = 1,022.27