Finding the Fourth Proportional to 105.96, 146.17 and 93.71

Step by Step Solution

1. Step 1: Write the proportion equation
   105.96 : 146.17 = 93.71 : x
2. Step 2: Convert to fraction form
   105.96/146.17 = 93.71/x
3. Step 3: Cross multiply
   105.96x = 146.17 × 93.71
4. Step 4: Simplify right side
   105.96x = 13,697.59
5. Step 5: Solve for x
   x = 13,697.59/105.96
6. Step 6: Final answer
   x = 129.27