Finding the Fourth Proportional to 597,431.07, 824,759.57 and 404,856.15

Step by Step Solution

1. Step 1: Write the proportion equation
   597,431.07 : 824,759.57 = 404,856.15 : x
2. Step 2: Convert to fraction form
   597,431.07/824,759.57 = 404,856.15/x
3. Step 3: Cross multiply
   597,431.07x = 824,759.57 × 404,856.15
4. Step 4: Simplify right side
   597,431.07x = 333,908,984,185.86
5. Step 5: Solve for x
   x = 333,908,984,185.86/597,431.07
6. Step 6: Final answer
   x = 558,907.97