Finding the Fourth Proportional to 89.33, 134.13 and 79.25

Step by Step Solution

1. Step 1: Write the proportion equation
   89.33 : 134.13 = 79.25 : x
2. Step 2: Convert to fraction form
   89.33/134.13 = 79.25/x
3. Step 3: Cross multiply
   89.33x = 134.13 × 79.25
4. Step 4: Simplify right side
   89.33x = 10,629.80
5. Step 5: Solve for x
   x = 10,629.80/89.33
6. Step 6: Final answer
   x = 118.99