Finding the Fourth Proportional to 82,136.82, 123,204.49 and 25,976.97

Step by Step Solution

1. Step 1: Write the proportion equation
   82,136.82 : 123,204.49 = 25,976.97 : x
2. Step 2: Convert to fraction form
   82,136.82/123,204.49 = 25,976.97/x
3. Step 3: Cross multiply
   82,136.82x = 123,204.49 × 25,976.97
4. Step 4: Simplify right side
   82,136.82x = 3,200,478,594.69
5. Step 5: Solve for x
   x = 3,200,478,594.69/82,136.82
6. Step 6: Final answer
   x = 38,965.21