Finding the Fourth Proportional to 2,436.42, 3,361.64 and 1,441.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,436.42 : 3,361.64 = 1,441.28 : x
2. Step 2: Convert to fraction form
   2,436.42/3,361.64 = 1,441.28/x
3. Step 3: Cross multiply
   2,436.42x = 3,361.64 × 1,441.28
4. Step 4: Simplify right side
   2,436.42x = 4,845,064.50
5. Step 5: Solve for x
   x = 4,845,064.50/2,436.42
6. Step 6: Final answer
   x = 1,988.60