Finding the Fourth Proportional to 105.85, 158.81 and 37.42

Step by Step Solution

1. Step 1: Write the proportion equation
   105.85 : 158.81 = 37.42 : x
2. Step 2: Convert to fraction form
   105.85/158.81 = 37.42/x
3. Step 3: Cross multiply
   105.85x = 158.81 × 37.42
4. Step 4: Simplify right side
   105.85x = 5,942.53
5. Step 5: Solve for x
   x = 5,942.53/105.85
6. Step 6: Final answer
   x = 56.14