Finding the Fourth Proportional to 807,064.84, 1,113,799.83 and 444,488.61

Step by Step Solution

1. Step 1: Write the proportion equation
   807,064.84 : 1,113,799.83 = 444,488.61 : x
2. Step 2: Convert to fraction form
   807,064.84/1,113,799.83 = 444,488.61/x
3. Step 3: Cross multiply
   807,064.84x = 1,113,799.83 × 444,488.61
4. Step 4: Simplify right side
   807,064.84x = 495,071,338,254.94
5. Step 5: Solve for x
   x = 495,071,338,254.94/807,064.84
6. Step 6: Final answer
   x = 613,422.01