Finding the Fourth Proportional to 89.49, 123.47 and 67.62

Step by Step Solution

1. Step 1: Write the proportion equation
   89.49 : 123.47 = 67.62 : x
2. Step 2: Convert to fraction form
   89.49/123.47 = 67.62/x
3. Step 3: Cross multiply
   89.49x = 123.47 × 67.62
4. Step 4: Simplify right side
   89.49x = 8,348.09
5. Step 5: Solve for x
   x = 8,348.09/89.49
6. Step 6: Final answer
   x = 93.29