Finding the Fourth Proportional to 82.91, 124.23 and 46.82

Step by Step Solution

1. Step 1: Write the proportion equation
   82.91 : 124.23 = 46.82 : x
2. Step 2: Convert to fraction form
   82.91/124.23 = 46.82/x
3. Step 3: Cross multiply
   82.91x = 124.23 × 46.82
4. Step 4: Simplify right side
   82.91x = 5,816.45
5. Step 5: Solve for x
   x = 5,816.45/82.91
6. Step 6: Final answer
   x = 70.15