Finding the Fourth Proportional to 2,241.87, 3,361.72 and 681.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,241.87 : 3,361.72 = 681.59 : x
2. Step 2: Convert to fraction form
   2,241.87/3,361.72 = 681.59/x
3. Step 3: Cross multiply
   2,241.87x = 3,361.72 × 681.59
4. Step 4: Simplify right side
   2,241.87x = 2,291,314.73
5. Step 5: Solve for x
   x = 2,291,314.73/2,241.87
6. Step 6: Final answer
   x = 1,022.06