Finding the Fourth Proportional to 89.42, 123.48 and 60.38

Step by Step Solution

1. Step 1: Write the proportion equation
   89.42 : 123.48 = 60.38 : x
2. Step 2: Convert to fraction form
   89.42/123.48 = 60.38/x
3. Step 3: Cross multiply
   89.42x = 123.48 × 60.38
4. Step 4: Simplify right side
   89.42x = 7,455.72
5. Step 5: Solve for x
   x = 7,455.72/89.42
6. Step 6: Final answer
   x = 83.38