Finding the Fourth Proportional to 105.48, 158.23 and 59.83

Step by Step Solution

1. Step 1: Write the proportion equation
   105.48 : 158.23 = 59.83 : x
2. Step 2: Convert to fraction form
   105.48/158.23 = 59.83/x
3. Step 3: Cross multiply
   105.48x = 158.23 × 59.83
4. Step 4: Simplify right side
   105.48x = 9,466.19
5. Step 5: Solve for x
   x = 9,466.19/105.48
6. Step 6: Final answer
   x = 89.75