Finding the Fourth Proportional to 123.34, 168.73 and 122.82

Step by Step Solution

1. Step 1: Write the proportion equation
   123.34 : 168.73 = 122.82 : x
2. Step 2: Convert to fraction form
   123.34/168.73 = 122.82/x
3. Step 3: Cross multiply
   123.34x = 168.73 × 122.82
4. Step 4: Simplify right side
   123.34x = 20,723.42
5. Step 5: Solve for x
   x = 20,723.42/123.34
6. Step 6: Final answer
   x = 168.02