Finding the Fourth Proportional to 82.73, 123.93 and 67.50

Step by Step Solution

1. Step 1: Write the proportion equation
   82.73 : 123.93 = 67.50 : x
2. Step 2: Convert to fraction form
   82.73/123.93 = 67.50/x
3. Step 3: Cross multiply
   82.73x = 123.93 × 67.50
4. Step 4: Simplify right side
   82.73x = 8,365.28
5. Step 5: Solve for x
   x = 8,365.28/82.73
6. Step 6: Final answer
   x = 101.12