Finding the Fourth Proportional to 82.71, 114.20 and 62.06

Step by Step Solution

1. Step 1: Write the proportion equation
   82.71 : 114.20 = 62.06 : x
2. Step 2: Convert to fraction form
   82.71/114.20 = 62.06/x
3. Step 3: Cross multiply
   82.71x = 114.20 × 62.06
4. Step 4: Simplify right side
   82.71x = 7,086.37
5. Step 5: Solve for x
   x = 7,086.37/82.71
6. Step 6: Final answer
   x = 85.68