Finding the Fourth Proportional to 82.82, 124.18 and 37.12

Step by Step Solution

1. Step 1: Write the proportion equation
   82.82 : 124.18 = 37.12 : x
2. Step 2: Convert to fraction form
   82.82/124.18 = 37.12/x
3. Step 3: Cross multiply
   82.82x = 124.18 × 37.12
4. Step 4: Simplify right side
   82.82x = 4,609.56
5. Step 5: Solve for x
   x = 4,609.56/82.82
6. Step 6: Final answer
   x = 55.66