Finding the Fourth Proportional to 839,326.32, 1,259,128.89 and 333,892.17

Step by Step Solution

1. Step 1: Write the proportion equation
   839,326.32 : 1,259,128.89 = 333,892.17 : x
2. Step 2: Convert to fraction form
   839,326.32/1,259,128.89 = 333,892.17/x
3. Step 3: Cross multiply
   839,326.32x = 1,259,128.89 × 333,892.17
4. Step 4: Simplify right side
   839,326.32x = 420,413,277,391.79
5. Step 5: Solve for x
   x = 420,413,277,391.79/839,326.32
6. Step 6: Final answer
   x = 500,893.71