Finding the Fourth Proportional to 105.06, 157.56 and 88.82

Step by Step Solution

1. Step 1: Write the proportion equation
   105.06 : 157.56 = 88.82 : x
2. Step 2: Convert to fraction form
   105.06/157.56 = 88.82/x
3. Step 3: Cross multiply
   105.06x = 157.56 × 88.82
4. Step 4: Simplify right side
   105.06x = 13,993.69
5. Step 5: Solve for x
   x = 13,993.69/105.06
6. Step 6: Final answer
   x = 133.20