Finding the Fourth Proportional to 404,082.58, 557,872.89 and 359,246.50

Step by Step Solution

1. Step 1: Write the proportion equation
   404,082.58 : 557,872.89 = 359,246.50 : x
2. Step 2: Convert to fraction form
   404,082.58/557,872.89 = 359,246.50/x
3. Step 3: Cross multiply
   404,082.58x = 557,872.89 × 359,246.50
4. Step 4: Simplify right side
   404,082.58x = 200,413,883,177.39
5. Step 5: Solve for x
   x = 200,413,883,177.39/404,082.58
6. Step 6: Final answer
   x = 495,972.59