Finding the Fourth Proportional to 796,819.50, 1,099,610.94 and 439,123.50

Step by Step Solution

1. Step 1: Write the proportion equation
   796,819.50 : 1,099,610.94 = 439,123.50 : x
2. Step 2: Convert to fraction form
   796,819.50/1,099,610.94 = 439,123.50/x
3. Step 3: Cross multiply
   796,819.50x = 1,099,610.94 × 439,123.50
4. Step 4: Simplify right side
   796,819.50x = 482,865,004,611.09
5. Step 5: Solve for x
   x = 482,865,004,611.09/796,819.50
6. Step 6: Final answer
   x = 605,990.45