Finding the Fourth Proportional to 269,636.16, 404,513.28 and 82,662.24

Step by Step Solution

1. Step 1: Write the proportion equation
   269,636.16 : 404,513.28 = 82,662.24 : x
2. Step 2: Convert to fraction form
   269,636.16/404,513.28 = 82,662.24/x
3. Step 3: Cross multiply
   269,636.16x = 404,513.28 × 82,662.24
4. Step 4: Simplify right side
   269,636.16x = 33,437,973,834.55
5. Step 5: Solve for x
   x = 33,437,973,834.55/269,636.16
6. Step 6: Final answer
   x = 124,011.46