Finding the Fourth Proportional to 82.62, 113.98 and 59.30

Step by Step Solution

1. Step 1: Write the proportion equation
   82.62 : 113.98 = 59.30 : x
2. Step 2: Convert to fraction form
   82.62/113.98 = 59.30/x
3. Step 3: Cross multiply
   82.62x = 113.98 × 59.30
4. Step 4: Simplify right side
   82.62x = 6,759.01
5. Step 5: Solve for x
   x = 6,759.01/82.62
6. Step 6: Final answer
   x = 81.81