Finding the Fourth Proportional to 105.69, 158.41 and 59.96

Step by Step Solution

1. Step 1: Write the proportion equation
   105.69 : 158.41 = 59.96 : x
2. Step 2: Convert to fraction form
   105.69/158.41 = 59.96/x
3. Step 3: Cross multiply
   105.69x = 158.41 × 59.96
4. Step 4: Simplify right side
   105.69x = 9,498.26
5. Step 5: Solve for x
   x = 9,498.26/105.69
6. Step 6: Final answer
   x = 89.87