Finding the Fourth Proportional to 404,171.59, 606,461.78 and 269,327.47

Step by Step Solution

1. Step 1: Write the proportion equation
   404,171.59 : 606,461.78 = 269,327.47 : x
2. Step 2: Convert to fraction form
   404,171.59/606,461.78 = 269,327.47/x
3. Step 3: Cross multiply
   404,171.59x = 606,461.78 × 269,327.47
4. Step 4: Simplify right side
   404,171.59x = 163,336,816,859.10
5. Step 5: Solve for x
   x = 163,336,816,859.10/404,171.59
6. Step 6: Final answer
   x = 404,127.41