Finding the Fourth Proportional to 82.82, 124.28 and 46.76

Step by Step Solution

1. Step 1: Write the proportion equation
   82.82 : 124.28 = 46.76 : x
2. Step 2: Convert to fraction form
   82.82/124.28 = 46.76/x
3. Step 3: Cross multiply
   82.82x = 124.28 × 46.76
4. Step 4: Simplify right side
   82.82x = 5,811.33
5. Step 5: Solve for x
   x = 5,811.33/82.82
6. Step 6: Final answer
   x = 70.17