Finding the Fourth Proportional to 404,883.46, 558,972.42 and 269,101.54

Step by Step Solution

1. Step 1: Write the proportion equation
   404,883.46 : 558,972.42 = 269,101.54 : x
2. Step 2: Convert to fraction form
   404,883.46/558,972.42 = 269,101.54/x
3. Step 3: Cross multiply
   404,883.46x = 558,972.42 × 269,101.54
4. Step 4: Simplify right side
   404,883.46x = 150,420,339,039.53
5. Step 5: Solve for x
   x = 150,420,339,039.53/404,883.46
6. Step 6: Final answer
   x = 371,515.15