Finding the Fourth Proportional to 105.58, 158.28 and 37.06

Step by Step Solution

1. Step 1: Write the proportion equation
   105.58 : 158.28 = 37.06 : x
2. Step 2: Convert to fraction form
   105.58/158.28 = 37.06/x
3. Step 3: Cross multiply
   105.58x = 158.28 × 37.06
4. Step 4: Simplify right side
   105.58x = 5,865.86
5. Step 5: Solve for x
   x = 5,865.86/105.58
6. Step 6: Final answer
   x = 55.56