Finding the Fourth Proportional to 2,068.74, 3,103.25 and 681.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.74 : 3,103.25 = 681.62 : x
2. Step 2: Convert to fraction form
   2,068.74/3,103.25 = 681.62/x
3. Step 3: Cross multiply
   2,068.74x = 3,103.25 × 681.62
4. Step 4: Simplify right side
   2,068.74x = 2,115,218.34
5. Step 5: Solve for x
   x = 2,115,218.34/2,068.74
6. Step 6: Final answer
   x = 1,022.47