Finding the Fourth Proportional to 89.16, 123.09 and 60.09

Step by Step Solution

1. Step 1: Write the proportion equation
   89.16 : 123.09 = 60.09 : x
2. Step 2: Convert to fraction form
   89.16/123.09 = 60.09/x
3. Step 3: Cross multiply
   89.16x = 123.09 × 60.09
4. Step 4: Simplify right side
   89.16x = 7,396.48
5. Step 5: Solve for x
   x = 7,396.48/89.16
6. Step 6: Final answer
   x = 82.96