Finding the Fourth Proportional to 105.37, 158.18 and 59.76

Step by Step Solution

1. Step 1: Write the proportion equation
   105.37 : 158.18 = 59.76 : x
2. Step 2: Convert to fraction form
   105.37/158.18 = 59.76/x
3. Step 3: Cross multiply
   105.37x = 158.18 × 59.76
4. Step 4: Simplify right side
   105.37x = 9,452.84
5. Step 5: Solve for x
   x = 9,452.84/105.37
6. Step 6: Final answer
   x = 89.71