Finding the Fourth Proportional to 82.69, 123.76 and 73.69

Step by Step Solution

1. Step 1: Write the proportion equation
   82.69 : 123.76 = 73.69 : x
2. Step 2: Convert to fraction form
   82.69/123.76 = 73.69/x
3. Step 3: Cross multiply
   82.69x = 123.76 × 73.69
4. Step 4: Simplify right side
   82.69x = 9,119.07
5. Step 5: Solve for x
   x = 9,119.07/82.69
6. Step 6: Final answer
   x = 110.29