Finding the Fourth Proportional to 89.83, 123.82 and 67.96

Step by Step Solution

1. Step 1: Write the proportion equation
   89.83 : 123.82 = 67.96 : x
2. Step 2: Convert to fraction form
   89.83/123.82 = 67.96/x
3. Step 3: Cross multiply
   89.83x = 123.82 × 67.96
4. Step 4: Simplify right side
   89.83x = 8,414.81
5. Step 5: Solve for x
   x = 8,414.81/89.83
6. Step 6: Final answer
   x = 93.67