Finding the Fourth Proportional to 89.39, 123.25 and 62.38

Step by Step Solution

1. Step 1: Write the proportion equation
   89.39 : 123.25 = 62.38 : x
2. Step 2: Convert to fraction form
   89.39/123.25 = 62.38/x
3. Step 3: Cross multiply
   89.39x = 123.25 × 62.38
4. Step 4: Simplify right side
   89.39x = 7,687.72
5. Step 5: Solve for x
   x = 7,687.72/89.39
6. Step 6: Final answer
   x = 86.00