Finding the Fourth Proportional to 584,109.28, 806,052.72 and 329,456.80

Step by Step Solution

1. Step 1: Write the proportion equation
   584,109.28 : 806,052.72 = 329,456.80 : x
2. Step 2: Convert to fraction form
   584,109.28/806,052.72 = 329,456.80/x
3. Step 3: Cross multiply
   584,109.28x = 806,052.72 × 329,456.80
4. Step 4: Simplify right side
   584,109.28x = 265,559,549,762.50
5. Step 5: Solve for x
   x = 265,559,549,762.50/584,109.28
6. Step 6: Final answer
   x = 454,640.18