Finding the Fourth Proportional to 800,451.92, 1,200,081.72 and 484,832.72

Step by Step Solution

1. Step 1: Write the proportion equation
   800,451.92 : 1,200,081.72 = 484,832.72 : x
2. Step 2: Convert to fraction form
   800,451.92/1,200,081.72 = 484,832.72/x
3. Step 3: Cross multiply
   800,451.92x = 1,200,081.72 × 484,832.72
4. Step 4: Simplify right side
   800,451.92x = 581,838,884,529.88
5. Step 5: Solve for x
   x = 581,838,884,529.88/800,451.92
6. Step 6: Final answer
   x = 726,887.99