Finding the Fourth Proportional to 82.51, 123.67 and 41.88

Step by Step Solution

1. Step 1: Write the proportion equation
   82.51 : 123.67 = 41.88 : x
2. Step 2: Convert to fraction form
   82.51/123.67 = 41.88/x
3. Step 3: Cross multiply
   82.51x = 123.67 × 41.88
4. Step 4: Simplify right side
   82.51x = 5,179.30
5. Step 5: Solve for x
   x = 5,179.30/82.51
6. Step 6: Final answer
   x = 62.77