Finding the Fourth Proportional to 82.63, 123.92 and 38.69

Step by Step Solution

1. Step 1: Write the proportion equation
   82.63 : 123.92 = 38.69 : x
2. Step 2: Convert to fraction form
   82.63/123.92 = 38.69/x
3. Step 3: Cross multiply
   82.63x = 123.92 × 38.69
4. Step 4: Simplify right side
   82.63x = 4,794.46
5. Step 5: Solve for x
   x = 4,794.46/82.63
6. Step 6: Final answer
   x = 58.02