Finding the Fourth Proportional to 82.34, 123.56 and 34.25

Step by Step Solution

1. Step 1: Write the proportion equation
   82.34 : 123.56 = 34.25 : x
2. Step 2: Convert to fraction form
   82.34/123.56 = 34.25/x
3. Step 3: Cross multiply
   82.34x = 123.56 × 34.25
4. Step 4: Simplify right side
   82.34x = 4,231.93
5. Step 5: Solve for x
   x = 4,231.93/82.34
6. Step 6: Final answer
   x = 51.40