Finding the Fourth Proportional to 82.76, 123.98 and 67.52

Step by Step Solution

1. Step 1: Write the proportion equation
   82.76 : 123.98 = 67.52 : x
2. Step 2: Convert to fraction form
   82.76/123.98 = 67.52/x
3. Step 3: Cross multiply
   82.76x = 123.98 × 67.52
4. Step 4: Simplify right side
   82.76x = 8,371.13
5. Step 5: Solve for x
   x = 8,371.13/82.76
6. Step 6: Final answer
   x = 101.15