Finding the Fourth Proportional to 82.52, 123.68 and 67.34

Step by Step Solution

1. Step 1: Write the proportion equation
   82.52 : 123.68 = 67.34 : x
2. Step 2: Convert to fraction form
   82.52/123.68 = 67.34/x
3. Step 3: Cross multiply
   82.52x = 123.68 × 67.34
4. Step 4: Simplify right side
   82.52x = 8,328.16
5. Step 5: Solve for x
   x = 8,328.16/82.52
6. Step 6: Final answer
   x = 100.92