Finding the Fourth Proportional to 82.94, 123.92 and 82.22

Step by Step Solution

1. Step 1: Write the proportion equation
   82.94 : 123.92 = 82.22 : x
2. Step 2: Convert to fraction form
   82.94/123.92 = 82.22/x
3. Step 3: Cross multiply
   82.94x = 123.92 × 82.22
4. Step 4: Simplify right side
   82.94x = 10,188.70
5. Step 5: Solve for x
   x = 10,188.70/82.94
6. Step 6: Final answer
   x = 122.84