Finding the Fourth Proportional to 801,979.89, 1,106,698.46 and 479,499.45

Step by Step Solution

1. Step 1: Write the proportion equation
   801,979.89 : 1,106,698.46 = 479,499.45 : x
2. Step 2: Convert to fraction form
   801,979.89/1,106,698.46 = 479,499.45/x
3. Step 3: Cross multiply
   801,979.89x = 1,106,698.46 × 479,499.45
4. Step 4: Simplify right side
   801,979.89x = 530,661,300,488.35
5. Step 5: Solve for x
   x = 530,661,300,488.35/801,979.89
6. Step 6: Final answer
   x = 661,689.04