Finding the Fourth Proportional to 800,791.83, 1,105,092.81 and 438,215.76

Step by Step Solution

1. Step 1: Write the proportion equation
   800,791.83 : 1,105,092.81 = 438,215.76 : x
2. Step 2: Convert to fraction form
   800,791.83/1,105,092.81 = 438,215.76/x
3. Step 3: Cross multiply
   800,791.83x = 1,105,092.81 × 438,215.76
4. Step 4: Simplify right side
   800,791.83x = 484,269,085,604.69
5. Step 5: Solve for x
   x = 484,269,085,604.69/800,791.83
6. Step 6: Final answer
   x = 604,737.80