Finding the Fourth Proportional to 2,241.56, 3,361.89 and 1,145.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,241.56 : 3,361.89 = 1,145.02 : x
2. Step 2: Convert to fraction form
   2,241.56/3,361.89 = 1,145.02/x
3. Step 3: Cross multiply
   2,241.56x = 3,361.89 × 1,145.02
4. Step 4: Simplify right side
   2,241.56x = 3,849,431.29
5. Step 5: Solve for x
   x = 3,849,431.29/2,241.56
6. Step 6: Final answer
   x = 1,717.30