Finding the Fourth Proportional to 82.58, 123.83 and 41.99

Step by Step Solution

1. Step 1: Write the proportion equation
   82.58 : 123.83 = 41.99 : x
2. Step 2: Convert to fraction form
   82.58/123.83 = 41.99/x
3. Step 3: Cross multiply
   82.58x = 123.83 × 41.99
4. Step 4: Simplify right side
   82.58x = 5,199.57
5. Step 5: Solve for x
   x = 5,199.57/82.58
6. Step 6: Final answer
   x = 62.97