Finding the Fourth Proportional to 801,423.34, 1,105,977.81 and 438,841.42

Step by Step Solution

1. Step 1: Write the proportion equation
   801,423.34 : 1,105,977.81 = 438,841.42 : x
2. Step 2: Convert to fraction form
   801,423.34/1,105,977.81 = 438,841.42/x
3. Step 3: Cross multiply
   801,423.34x = 1,105,977.81 × 438,841.42
4. Step 4: Simplify right side
   801,423.34x = 485,348,872,628.89
5. Step 5: Solve for x
   x = 485,348,872,628.89/801,423.34
6. Step 6: Final answer
   x = 605,608.61