Finding the Fourth Proportional to 82.26, 123.37 and 28.14

Step by Step Solution

1. Step 1: Write the proportion equation
   82.26 : 123.37 = 28.14 : x
2. Step 2: Convert to fraction form
   82.26/123.37 = 28.14/x
3. Step 3: Cross multiply
   82.26x = 123.37 × 28.14
4. Step 4: Simplify right side
   82.26x = 3,471.10
5. Step 5: Solve for x
   x = 3,471.10/82.26
6. Step 6: Final answer
   x = 42.20