Finding the Fourth Proportional to 809,036, 1,116,470.16 and 451,340

Step by Step Solution

1. Step 1: Write the proportion equation
   809,036 : 1,116,470.16 = 451,340 : x
2. Step 2: Convert to fraction form
   809,036/1,116,470.16 = 451,340/x
3. Step 3: Cross multiply
   809,036x = 1,116,470.16 × 451,340
4. Step 4: Simplify right side
   809,036x = 503,907,642,014.40
5. Step 5: Solve for x
   x = 503,907,642,014.40/809,036
6. Step 6: Final answer
   x = 622,849.47