Finding the Fourth Proportional to 726,535.56, 1,002,624 and 404,259.24

Step by Step Solution

1. Step 1: Write the proportion equation
   726,535.56 : 1,002,624 = 404,259.24 : x
2. Step 2: Convert to fraction form
   726,535.56/1,002,624 = 404,259.24/x
3. Step 3: Cross multiply
   726,535.56x = 1,002,624 × 404,259.24
4. Step 4: Simplify right side
   726,535.56x = 405,320,016,245.76
5. Step 5: Solve for x
   x = 405,320,016,245.76/726,535.56
6. Step 6: Final answer
   x = 557,880.49