Finding the Fourth Proportional to 809,584.72, 1,116,758.56 and 523,104.80

Step by Step Solution

1. Step 1: Write the proportion equation
   809,584.72 : 1,116,758.56 = 523,104.80 : x
2. Step 2: Convert to fraction form
   809,584.72/1,116,758.56 = 523,104.80/x
3. Step 3: Cross multiply
   809,584.72x = 1,116,758.56 × 523,104.80
4. Step 4: Simplify right side
   809,584.72x = 584,181,765,953.42
5. Step 5: Solve for x
   x = 584,181,765,953.42/809,584.72
6. Step 6: Final answer
   x = 721,582.01