Finding the Fourth Proportional to 404,092, 557,886.16 and 359,256.16

Step by Step Solution

1. Step 1: Write the proportion equation
   404,092 : 557,886.16 = 359,256.16 : x
2. Step 2: Convert to fraction form
   404,092/557,886.16 = 359,256.16/x
3. Step 3: Cross multiply
   404,092x = 557,886.16 × 359,256.16
4. Step 4: Simplify right side
   404,092x = 200,424,039,558.75
5. Step 5: Solve for x
   x = 200,424,039,558.75/404,092
6. Step 6: Final answer
   x = 495,986.16