Finding the Fourth Proportional to 807,674.73, 1,114,598.79 and 445,111.83

Step by Step Solution

1. Step 1: Write the proportion equation
   807,674.73 : 1,114,598.79 = 445,111.83 : x
2. Step 2: Convert to fraction form
   807,674.73/1,114,598.79 = 445,111.83/x
3. Step 3: Cross multiply
   807,674.73x = 1,114,598.79 × 445,111.83
4. Step 4: Simplify right side
   807,674.73x = 496,121,107,132.69
5. Step 5: Solve for x
   x = 496,121,107,132.69/807,674.73
6. Step 6: Final answer
   x = 614,258.55