Finding the Fourth Proportional to 105.96, 146.20 and 59.33

Step by Step Solution

1. Step 1: Write the proportion equation
   105.96 : 146.20 = 59.33 : x
2. Step 2: Convert to fraction form
   105.96/146.20 = 59.33/x
3. Step 3: Cross multiply
   105.96x = 146.20 × 59.33
4. Step 4: Simplify right side
   105.96x = 8,673.32
5. Step 5: Solve for x
   x = 8,673.32/105.96
6. Step 6: Final answer
   x = 81.86