Finding the Fourth Proportional to 597,429.32, 824,757.16 and 404,854.40

Step by Step Solution

1. Step 1: Write the proportion equation
   597,429.32 : 824,757.16 = 404,854.40 : x
2. Step 2: Convert to fraction form
   597,429.32/824,757.16 = 404,854.40/x
3. Step 3: Cross multiply
   597,429.32x = 824,757.16 × 404,854.40
4. Step 4: Simplify right side
   597,429.32x = 333,906,560,021.58
5. Step 5: Solve for x
   x = 333,906,560,021.58/597,429.32
6. Step 6: Final answer
   x = 558,905.55