Finding the Fourth Proportional to 1,039,383.43, 1,434,786.41 and 631,616.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,039,383.43 : 1,434,786.41 = 631,616.27 : x
2. Step 2: Convert to fraction form
   1,039,383.43/1,434,786.41 = 631,616.27/x
3. Step 3: Cross multiply
   1,039,383.43x = 1,434,786.41 × 631,616.27
4. Step 4: Simplify right side
   1,039,383.43x = 906,234,434,936.00
5. Step 5: Solve for x
   x = 906,234,434,936.00/1,039,383.43
6. Step 6: Final answer
   x = 871,896.18