Finding the Fourth Proportional to 89.48, 123.48 and 67.61

Step by Step Solution

1. Step 1: Write the proportion equation
   89.48 : 123.48 = 67.61 : x
2. Step 2: Convert to fraction form
   89.48/123.48 = 67.61/x
3. Step 3: Cross multiply
   89.48x = 123.48 × 67.61
4. Step 4: Simplify right side
   89.48x = 8,348.48
5. Step 5: Solve for x
   x = 8,348.48/89.48
6. Step 6: Final answer
   x = 93.30