Finding the Fourth Proportional to 82.54, 123.83 and 69.13

Step by Step Solution

1. Step 1: Write the proportion equation
   82.54 : 123.83 = 69.13 : x
2. Step 2: Convert to fraction form
   82.54/123.83 = 69.13/x
3. Step 3: Cross multiply
   82.54x = 123.83 × 69.13
4. Step 4: Simplify right side
   82.54x = 8,560.37
5. Step 5: Solve for x
   x = 8,560.37/82.54
6. Step 6: Final answer
   x = 103.71