Finding the Fourth Proportional to 82.71, 114.18 and 49.98

Step by Step Solution

1. Step 1: Write the proportion equation
   82.71 : 114.18 = 49.98 : x
2. Step 2: Convert to fraction form
   82.71/114.18 = 49.98/x
3. Step 3: Cross multiply
   82.71x = 114.18 × 49.98
4. Step 4: Simplify right side
   82.71x = 5,706.72
5. Step 5: Solve for x
   x = 5,706.72/82.71
6. Step 6: Final answer
   x = 69.00