Finding the Fourth Proportional to 89.69, 123.81 and 60.62

Step by Step Solution

1. Step 1: Write the proportion equation
   89.69 : 123.81 = 60.62 : x
2. Step 2: Convert to fraction form
   89.69/123.81 = 60.62/x
3. Step 3: Cross multiply
   89.69x = 123.81 × 60.62
4. Step 4: Simplify right side
   89.69x = 7,505.36
5. Step 5: Solve for x
   x = 7,505.36/89.69
6. Step 6: Final answer
   x = 83.68