Finding the Fourth Proportional to 82.01, 113.30 and 69.86

Step by Step Solution

1. Step 1: Write the proportion equation
   82.01 : 113.30 = 69.86 : x
2. Step 2: Convert to fraction form
   82.01/113.30 = 69.86/x
3. Step 3: Cross multiply
   82.01x = 113.30 × 69.86
4. Step 4: Simplify right side
   82.01x = 7,915.33
5. Step 5: Solve for x
   x = 7,915.33/82.01
6. Step 6: Final answer
   x = 96.51