Finding the Fourth Proportional to 82.47, 123.56 and 62.22

Step by Step Solution

1. Step 1: Write the proportion equation
   82.47 : 123.56 = 62.22 : x
2. Step 2: Convert to fraction form
   82.47/123.56 = 62.22/x
3. Step 3: Cross multiply
   82.47x = 123.56 × 62.22
4. Step 4: Simplify right side
   82.47x = 7,687.59
5. Step 5: Solve for x
   x = 7,687.59/82.47
6. Step 6: Final answer
   x = 93.22