Finding the Fourth Proportional to 82.22, 123.34 and 32.81

Step by Step Solution

1. Step 1: Write the proportion equation
   82.22 : 123.34 = 32.81 : x
2. Step 2: Convert to fraction form
   82.22/123.34 = 32.81/x
3. Step 3: Cross multiply
   82.22x = 123.34 × 32.81
4. Step 4: Simplify right side
   82.22x = 4,046.09
5. Step 5: Solve for x
   x = 4,046.09/82.22
6. Step 6: Final answer
   x = 49.21