Finding the Fourth Proportional to 105.32, 158.15 and 94.58

Step by Step Solution

1. Step 1: Write the proportion equation
   105.32 : 158.15 = 94.58 : x
2. Step 2: Convert to fraction form
   105.32/158.15 = 94.58/x
3. Step 3: Cross multiply
   105.32x = 158.15 × 94.58
4. Step 4: Simplify right side
   105.32x = 14,958.76
5. Step 5: Solve for x
   x = 14,958.76/105.32
6. Step 6: Final answer
   x = 142.04