Finding the Fourth Proportional to 71.98, 99.27 and 59.68

Step by Step Solution

1. Step 1: Write the proportion equation
   71.98 : 99.27 = 59.68 : x
2. Step 2: Convert to fraction form
   71.98/99.27 = 59.68/x
3. Step 3: Cross multiply
   71.98x = 99.27 × 59.68
4. Step 4: Simplify right side
   71.98x = 5,924.43
5. Step 5: Solve for x
   x = 5,924.43/71.98
6. Step 6: Final answer
   x = 82.31