Finding the Fourth Proportional to 82,151.28, 123,248.79 and 25,992.45

Step by Step Solution

1. Step 1: Write the proportion equation
   82,151.28 : 123,248.79 = 25,992.45 : x
2. Step 2: Convert to fraction form
   82,151.28/123,248.79 = 25,992.45/x
3. Step 3: Cross multiply
   82,151.28x = 123,248.79 × 25,992.45
4. Step 4: Simplify right side
   82,151.28x = 3,203,538,011.64
5. Step 5: Solve for x
   x = 3,203,538,011.64/82,151.28
6. Step 6: Final answer
   x = 38,995.59