Finding the Fourth Proportional to 82.68, 123.86 and 62.42

Step by Step Solution

1. Step 1: Write the proportion equation
   82.68 : 123.86 = 62.42 : x
2. Step 2: Convert to fraction form
   82.68/123.86 = 62.42/x
3. Step 3: Cross multiply
   82.68x = 123.86 × 62.42
4. Step 4: Simplify right side
   82.68x = 7,730.41
5. Step 5: Solve for x
   x = 7,730.41/82.68
6. Step 6: Final answer
   x = 93.50