Finding the Fourth Proportional to 801,105.38, 1,105,526.81 and 438,529.47

Step by Step Solution

1. Step 1: Write the proportion equation
   801,105.38 : 1,105,526.81 = 438,529.47 : x
2. Step 2: Convert to fraction form
   801,105.38/1,105,526.81 = 438,529.47/x
3. Step 3: Cross multiply
   801,105.38x = 1,105,526.81 × 438,529.47
4. Step 4: Simplify right side
   801,105.38x = 484,806,086,060.09
5. Step 5: Solve for x
   x = 484,806,086,060.09/801,105.38
6. Step 6: Final answer
   x = 605,171.43