Finding the Fourth Proportional to 801,301.54, 1,105,796.18 and 438,725.42

Step by Step Solution

1. Step 1: Write the proportion equation
   801,301.54 : 1,105,796.18 = 438,725.42 : x
2. Step 2: Convert to fraction form
   801,301.54/1,105,796.18 = 438,725.42/x
3. Step 3: Cross multiply
   801,301.54x = 1,105,796.18 × 438,725.42
4. Step 4: Simplify right side
   801,301.54x = 485,140,891,311.27
5. Step 5: Solve for x
   x = 485,140,891,311.27/801,301.54
6. Step 6: Final answer
   x = 605,441.11