Finding the Fourth Proportional to 89.49, 123.52 and 63.27

Step by Step Solution

1. Step 1: Write the proportion equation
   89.49 : 123.52 = 63.27 : x
2. Step 2: Convert to fraction form
   89.49/123.52 = 63.27/x
3. Step 3: Cross multiply
   89.49x = 123.52 × 63.27
4. Step 4: Simplify right side
   89.49x = 7,814.18
5. Step 5: Solve for x
   x = 7,814.18/89.49
6. Step 6: Final answer
   x = 87.32