Finding the Fourth Proportional to 89.34, 123.21 and 60.27

Step by Step Solution

1. Step 1: Write the proportion equation
   89.34 : 123.21 = 60.27 : x
2. Step 2: Convert to fraction form
   89.34/123.21 = 60.27/x
3. Step 3: Cross multiply
   89.34x = 123.21 × 60.27
4. Step 4: Simplify right side
   89.34x = 7,425.87
5. Step 5: Solve for x
   x = 7,425.87/89.34
6. Step 6: Final answer
   x = 83.12