Finding the Fourth Proportional to 809,002.35, 1,116,415.71 and 446,429.07

Step by Step Solution

1. Step 1: Write the proportion equation
   809,002.35 : 1,116,415.71 = 446,429.07 : x
2. Step 2: Convert to fraction form
   809,002.35/1,116,415.71 = 446,429.07/x
3. Step 3: Cross multiply
   809,002.35x = 1,116,415.71 × 446,429.07
4. Step 4: Simplify right side
   809,002.35x = 498,400,427,148.69
5. Step 5: Solve for x
   x = 498,400,427,148.69/809,002.35
6. Step 6: Final answer
   x = 616,067.96