Finding the Fourth Proportional to 622,789.38, 859,451.98 and 350,860.52

Step by Step Solution

1. Step 1: Write the proportion equation
   622,789.38 : 859,451.98 = 350,860.52 : x
2. Step 2: Convert to fraction form
   622,789.38/859,451.98 = 350,860.52/x
3. Step 3: Cross multiply
   622,789.38x = 859,451.98 × 350,860.52
4. Step 4: Simplify right side
   622,789.38x = 301,547,768,617.83
5. Step 5: Solve for x
   x = 301,547,768,617.83/622,789.38
6. Step 6: Final answer
   x = 484,189.00