Finding the Fourth Proportional to 2,361.67, 3,540.57 and 1,619.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,361.67 : 3,540.57 = 1,619.23 : x
2. Step 2: Convert to fraction form
   2,361.67/3,540.57 = 1,619.23/x
3. Step 3: Cross multiply
   2,361.67x = 3,540.57 × 1,619.23
4. Step 4: Simplify right side
   2,361.67x = 5,732,997.16
5. Step 5: Solve for x
   x = 5,732,997.16/2,361.67
6. Step 6: Final answer
   x = 2,427.52