Finding the Fourth Proportional to 83.37, 124.37 and 82.29

Step by Step Solution

1. Step 1: Write the proportion equation
   83.37 : 124.37 = 82.29 : x
2. Step 2: Convert to fraction form
   83.37/124.37 = 82.29/x
3. Step 3: Cross multiply
   83.37x = 124.37 × 82.29
4. Step 4: Simplify right side
   83.37x = 10,234.61
5. Step 5: Solve for x
   x = 10,234.61/83.37
6. Step 6: Final answer
   x = 122.76