Finding the Fourth Proportional to 105.86, 146.22 and 95.60

Step by Step Solution

1. Step 1: Write the proportion equation
   105.86 : 146.22 = 95.60 : x
2. Step 2: Convert to fraction form
   105.86/146.22 = 95.60/x
3. Step 3: Cross multiply
   105.86x = 146.22 × 95.60
4. Step 4: Simplify right side
   105.86x = 13,978.63
5. Step 5: Solve for x
   x = 13,978.63/105.86
6. Step 6: Final answer
   x = 132.05