Finding the Fourth Proportional to 89.93, 123.82 and 67.83

Step by Step Solution

1. Step 1: Write the proportion equation
   89.93 : 123.82 = 67.83 : x
2. Step 2: Convert to fraction form
   89.93/123.82 = 67.83/x
3. Step 3: Cross multiply
   89.93x = 123.82 × 67.83
4. Step 4: Simplify right side
   89.93x = 8,398.33
5. Step 5: Solve for x
   x = 8,398.33/89.93
6. Step 6: Final answer
   x = 93.39