Finding the Fourth Proportional to 809,002.48, 1,116,426.78 and 446,437

Step by Step Solution

1. Step 1: Write the proportion equation
   809,002.48 : 1,116,426.78 = 446,437 : x
2. Step 2: Convert to fraction form
   809,002.48/1,116,426.78 = 446,437/x
3. Step 3: Cross multiply
   809,002.48x = 1,116,426.78 × 446,437
4. Step 4: Simplify right side
   809,002.48x = 498,414,222,382.86
5. Step 5: Solve for x
   x = 498,414,222,382.86/809,002.48
6. Step 6: Final answer
   x = 616,084.91