Finding the Fourth Proportional to 82.24, 123.23 and 61.94

Step by Step Solution

1. Step 1: Write the proportion equation
   82.24 : 123.23 = 61.94 : x
2. Step 2: Convert to fraction form
   82.24/123.23 = 61.94/x
3. Step 3: Cross multiply
   82.24x = 123.23 × 61.94
4. Step 4: Simplify right side
   82.24x = 7,632.40
5. Step 5: Solve for x
   x = 7,632.40/82.24
6. Step 6: Final answer
   x = 92.81