Finding the Fourth Proportional to 2,436.61, 3,361.71 and 1,442.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,436.61 : 3,361.71 = 1,442.23 : x
2. Step 2: Convert to fraction form
   2,436.61/3,361.71 = 1,442.23/x
3. Step 3: Cross multiply
   2,436.61x = 3,361.71 × 1,442.23
4. Step 4: Simplify right side
   2,436.61x = 4,848,359.01
5. Step 5: Solve for x
   x = 4,848,359.01/2,436.61
6. Step 6: Final answer
   x = 1,989.80