Finding the Fourth Proportional to 1,408.32, 1,942.41 and 935.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,408.32 : 1,942.41 = 935.37 : x
2. Step 2: Convert to fraction form
   1,408.32/1,942.41 = 935.37/x
3. Step 3: Cross multiply
   1,408.32x = 1,942.41 × 935.37
4. Step 4: Simplify right side
   1,408.32x = 1,816,872.04
5. Step 5: Solve for x
   x = 1,816,872.04/1,408.32
6. Step 6: Final answer
   x = 1,290.10