Finding the Fourth Proportional to 404,075.96, 557,864.04 and 359,240.12

Step by Step Solution

1. Step 1: Write the proportion equation
   404,075.96 : 557,864.04 = 359,240.12 : x
2. Step 2: Convert to fraction form
   404,075.96/557,864.04 = 359,240.12/x
3. Step 3: Cross multiply
   404,075.96x = 557,864.04 × 359,240.12
4. Step 4: Simplify right side
   404,075.96x = 200,407,144,673.29
5. Step 5: Solve for x
   x = 200,407,144,673.29/404,075.96
6. Step 6: Final answer
   x = 495,964.04