Finding the Fourth Proportional to 83.34, 124.06 and 82.18

Step by Step Solution

1. Step 1: Write the proportion equation
   83.34 : 124.06 = 82.18 : x
2. Step 2: Convert to fraction form
   83.34/124.06 = 82.18/x
3. Step 3: Cross multiply
   83.34x = 124.06 × 82.18
4. Step 4: Simplify right side
   83.34x = 10,195.25
5. Step 5: Solve for x
   x = 10,195.25/83.34
6. Step 6: Final answer
   x = 122.33