Finding the Fourth Proportional to 83.06, 124.41 and 67.82

Step by Step Solution

1. Step 1: Write the proportion equation
   83.06 : 124.41 = 67.82 : x
2. Step 2: Convert to fraction form
   83.06/124.41 = 67.82/x
3. Step 3: Cross multiply
   83.06x = 124.41 × 67.82
4. Step 4: Simplify right side
   83.06x = 8,436.86
5. Step 5: Solve for x
   x = 8,436.86/83.06
6. Step 6: Final answer
   x = 101.58