Finding the Fourth Proportional to 801,054.94, 1,105,483.88 and 438,479.03

Step by Step Solution

1. Step 1: Write the proportion equation
   801,054.94 : 1,105,483.88 = 438,479.03 : x
2. Step 2: Convert to fraction form
   801,054.94/1,105,483.88 = 438,479.03/x
3. Step 3: Cross multiply
   801,054.94x = 1,105,483.88 × 438,479.03
4. Step 4: Simplify right side
   801,054.94x = 484,731,499,383.04
5. Step 5: Solve for x
   x = 484,731,499,383.04/801,054.94
6. Step 6: Final answer
   x = 605,116.42