Finding the Fourth Proportional to 82.22, 123.31 and 41.05

Step by Step Solution

1. Step 1: Write the proportion equation
   82.22 : 123.31 = 41.05 : x
2. Step 2: Convert to fraction form
   82.22/123.31 = 41.05/x
3. Step 3: Cross multiply
   82.22x = 123.31 × 41.05
4. Step 4: Simplify right side
   82.22x = 5,061.05
5. Step 5: Solve for x
   x = 5,061.05/82.22
6. Step 6: Final answer
   x = 61.56