Finding the Fourth Proportional to 807,644.97, 1,114,557.37 and 445,081.82

Step by Step Solution

1. Step 1: Write the proportion equation
   807,644.97 : 1,114,557.37 = 445,081.82 : x
2. Step 2: Convert to fraction form
   807,644.97/1,114,557.37 = 445,081.82/x
3. Step 3: Cross multiply
   807,644.97x = 1,114,557.37 × 445,081.82
4. Step 4: Simplify right side
   807,644.97x = 496,069,216,048.52
5. Step 5: Solve for x
   x = 496,069,216,048.52/807,644.97
6. Step 6: Final answer
   x = 614,216.93