Finding the Fourth Proportional to 807,041.53, 1,113,703.73 and 444,499.15

Step by Step Solution

1. Step 1: Write the proportion equation
   807,041.53 : 1,113,703.73 = 444,499.15 : x
2. Step 2: Convert to fraction form
   807,041.53/1,113,703.73 = 444,499.15/x
3. Step 3: Cross multiply
   807,041.53x = 1,113,703.73 × 444,499.15
4. Step 4: Simplify right side
   807,041.53x = 495,040,361,336.83
5. Step 5: Solve for x
   x = 495,040,361,336.83/807,041.53
6. Step 6: Final answer
   x = 613,401.35