Finding the Fourth Proportional to 771,861.38, 1,065,168.71 and 470,055.38

Step by Step Solution

1. Step 1: Write the proportion equation
   771,861.38 : 1,065,168.71 = 470,055.38 : x
2. Step 2: Convert to fraction form
   771,861.38/1,065,168.71 = 470,055.38/x
3. Step 3: Cross multiply
   771,861.38x = 1,065,168.71 × 470,055.38
4. Step 4: Simplify right side
   771,861.38x = 500,688,275,067.04
5. Step 5: Solve for x
   x = 500,688,275,067.04/771,861.38
6. Step 6: Final answer
   x = 648,676.42