Finding the Fourth Proportional to 82.47, 123.50 and 41.91

Step by Step Solution

1. Step 1: Write the proportion equation
   82.47 : 123.50 = 41.91 : x
2. Step 2: Convert to fraction form
   82.47/123.50 = 41.91/x
3. Step 3: Cross multiply
   82.47x = 123.50 × 41.91
4. Step 4: Simplify right side
   82.47x = 5,175.06
5. Step 5: Solve for x
   x = 5,175.06/82.47
6. Step 6: Final answer
   x = 62.75