Finding the Fourth Proportional to 89.46, 123.42 and 60.42

Step by Step Solution

1. Step 1: Write the proportion equation
   89.46 : 123.42 = 60.42 : x
2. Step 2: Convert to fraction form
   89.46/123.42 = 60.42/x
3. Step 3: Cross multiply
   89.46x = 123.42 × 60.42
4. Step 4: Simplify right side
   89.46x = 7,457.04
5. Step 5: Solve for x
   x = 7,457.04/89.46
6. Step 6: Final answer
   x = 83.36