Finding the Fourth Proportional to 105.52, 158.17 and 59.23

Step by Step Solution

1. Step 1: Write the proportion equation
   105.52 : 158.17 = 59.23 : x
2. Step 2: Convert to fraction form
   105.52/158.17 = 59.23/x
3. Step 3: Cross multiply
   105.52x = 158.17 × 59.23
4. Step 4: Simplify right side
   105.52x = 9,368.57
5. Step 5: Solve for x
   x = 9,368.57/105.52
6. Step 6: Final answer
   x = 88.79