Finding the Fourth Proportional to 855,655.69, 1,180,818.83 and 468,464.62

Step by Step Solution

1. Step 1: Write the proportion equation
   855,655.69 : 1,180,818.83 = 468,464.62 : x
2. Step 2: Convert to fraction form
   855,655.69/1,180,818.83 = 468,464.62/x
3. Step 3: Cross multiply
   855,655.69x = 1,180,818.83 × 468,464.62
4. Step 4: Simplify right side
   855,655.69x = 553,171,836,238.38
5. Step 5: Solve for x
   x = 553,171,836,238.38/855,655.69
6. Step 6: Final answer
   x = 646,488.82