Finding the Fourth Proportional to 1,039,721.49, 1,434,764.27 and 580,744.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,039,721.49 : 1,434,764.27 = 580,744.71 : x
2. Step 2: Convert to fraction form
   1,039,721.49/1,434,764.27 = 580,744.71/x
3. Step 3: Cross multiply
   1,039,721.49x = 1,434,764.27 × 580,744.71
4. Step 4: Simplify right side
   1,039,721.49x = 833,231,761,351.37
5. Step 5: Solve for x
   x = 833,231,761,351.37/1,039,721.49
6. Step 6: Final answer
   x = 801,399.00