Finding the Fourth Proportional to 82.00, 123.00 and 27.88

Step by Step Solution

1. Step 1: Write the proportion equation
   82.00 : 123.00 = 27.88 : x
2. Step 2: Convert to fraction form
   82.00/123.00 = 27.88/x
3. Step 3: Cross multiply
   82.00x = 123.00 × 27.88
4. Step 4: Simplify right side
   82.00x = 3,428.73
5. Step 5: Solve for x
   x = 3,428.73/82.00
6. Step 6: Final answer
   x = 41.82