Finding the Fourth Proportional to 82.67, 123.62 and 60.86

Step by Step Solution

1. Step 1: Write the proportion equation
   82.67 : 123.62 = 60.86 : x
2. Step 2: Convert to fraction form
   82.67/123.62 = 60.86/x
3. Step 3: Cross multiply
   82.67x = 123.62 × 60.86
4. Step 4: Simplify right side
   82.67x = 7,522.59
5. Step 5: Solve for x
   x = 7,522.59/82.67
6. Step 6: Final answer
   x = 91.00