Finding the Fourth Proportional to 796,819, 1,099,610.25 and 439,123

Step by Step Solution

1. Step 1: Write the proportion equation
   796,819 : 1,099,610.25 = 439,123 : x
2. Step 2: Convert to fraction form
   796,819/1,099,610.25 = 439,123/x
3. Step 3: Cross multiply
   796,819x = 1,099,610.25 × 439,123
4. Step 4: Simplify right side
   796,819x = 482,864,151,810.75
5. Step 5: Solve for x
   x = 482,864,151,810.75/796,819
6. Step 6: Final answer
   x = 605,989.76