Finding the Fourth Proportional to 89.24, 123.12 and 60.16

Step by Step Solution

1. Step 1: Write the proportion equation
   89.24 : 123.12 = 60.16 : x
2. Step 2: Convert to fraction form
   89.24/123.12 = 60.16/x
3. Step 3: Cross multiply
   89.24x = 123.12 × 60.16
4. Step 4: Simplify right side
   89.24x = 7,406.90
5. Step 5: Solve for x
   x = 7,406.90/89.24
6. Step 6: Final answer
   x = 83.00