Finding the Fourth Proportional to 800,799.72, 1,104,994.32 and 478,441.32

Step by Step Solution

1. Step 1: Write the proportion equation
   800,799.72 : 1,104,994.32 = 478,441.32 : x
2. Step 2: Convert to fraction form
   800,799.72/1,104,994.32 = 478,441.32/x
3. Step 3: Cross multiply
   800,799.72x = 1,104,994.32 × 478,441.32
4. Step 4: Simplify right side
   800,799.72x = 528,674,941,053.30
5. Step 5: Solve for x
   x = 528,674,941,053.30/800,799.72
6. Step 6: Final answer
   x = 660,183.72