Finding the Fourth Proportional to 807,616.05, 1,114,494.84 and 445,073.42

Step by Step Solution

1. Step 1: Write the proportion equation
   807,616.05 : 1,114,494.84 = 445,073.42 : x
2. Step 2: Convert to fraction form
   807,616.05/1,114,494.84 = 445,073.42/x
3. Step 3: Cross multiply
   807,616.05x = 1,114,494.84 × 445,073.42
4. Step 4: Simplify right side
   807,616.05x = 496,032,030,011.15
5. Step 5: Solve for x
   x = 496,032,030,011.15/807,616.05
6. Step 6: Final answer
   x = 614,192.88