Finding the Fourth Proportional to 597,978.45, 825,410.22 and 356,336.82

Step by Step Solution

1. Step 1: Write the proportion equation
   597,978.45 : 825,410.22 = 356,336.82 : x
2. Step 2: Convert to fraction form
   597,978.45/825,410.22 = 356,336.82/x
3. Step 3: Cross multiply
   597,978.45x = 825,410.22 × 356,336.82
4. Step 4: Simplify right side
   597,978.45x = 294,124,052,990.30
5. Step 5: Solve for x
   x = 294,124,052,990.30/597,978.45
6. Step 6: Final answer
   x = 491,863.97