Finding the Fourth Proportional to 2,238.24, 3,361.02 and 1,378.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238.24 : 3,361.02 = 1,378.02 : x
2. Step 2: Convert to fraction form
   2,238.24/3,361.02 = 1,378.02/x
3. Step 3: Cross multiply
   2,238.24x = 3,361.02 × 1,378.02
4. Step 4: Simplify right side
   2,238.24x = 4,631,552.78
5. Step 5: Solve for x
   x = 4,631,552.78/2,238.24
6. Step 6: Final answer
   x = 2,069.28