Finding the Fourth Proportional to 801,949.30, 1,106,690.00 and 439,386.89

Step by Step Solution

1. Step 1: Write the proportion equation
   801,949.30 : 1,106,690.00 = 439,386.89 : x
2. Step 2: Convert to fraction form
   801,949.30/1,106,690.00 = 439,386.89/x
3. Step 3: Cross multiply
   801,949.30x = 1,106,690.00 × 439,386.89
4. Step 4: Simplify right side
   801,949.30x = 486,265,069,563.72
5. Step 5: Solve for x
   x = 486,265,069,563.72/801,949.30
6. Step 6: Final answer
   x = 606,353.88