Finding the Fourth Proportional to 269,638.78, 404,443.59 and 82,650.82

Step by Step Solution

1. Step 1: Write the proportion equation
   269,638.78 : 404,443.59 = 82,650.82 : x
2. Step 2: Convert to fraction form
   269,638.78/404,443.59 = 82,650.82/x
3. Step 3: Cross multiply
   269,638.78x = 404,443.59 × 82,650.82
4. Step 4: Simplify right side
   269,638.78x = 33,427,594,357.24
5. Step 5: Solve for x
   x = 33,427,594,357.24/269,638.78
6. Step 6: Final answer
   x = 123,971.76