Finding the Fourth Proportional to 2,068.50, 3,103.06 and 681.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.50 : 3,103.06 = 681.52 : x
2. Step 2: Convert to fraction form
   2,068.50/3,103.06 = 681.52/x
3. Step 3: Cross multiply
   2,068.50x = 3,103.06 × 681.52
4. Step 4: Simplify right side
   2,068.50x = 2,114,797.45
5. Step 5: Solve for x
   x = 2,114,797.45/2,068.50
6. Step 6: Final answer
   x = 1,022.38