Finding the Fourth Proportional to 839,116.18, 1,258,176.39 and 333,405.82

Step by Step Solution

1. Step 1: Write the proportion equation
   839,116.18 : 1,258,176.39 = 333,405.82 : x
2. Step 2: Convert to fraction form
   839,116.18/1,258,176.39 = 333,405.82/x
3. Step 3: Cross multiply
   839,116.18x = 1,258,176.39 × 333,405.82
4. Step 4: Simplify right side
   839,116.18x = 419,483,331,012.59
5. Step 5: Solve for x
   x = 419,483,331,012.59/839,116.18
6. Step 6: Final answer
   x = 499,910.91