Finding the Fourth Proportional to 855,644.83, 1,180,803.89 and 468,453.83

Step by Step Solution

1. Step 1: Write the proportion equation
   855,644.83 : 1,180,803.89 = 468,453.83 : x
2. Step 2: Convert to fraction form
   855,644.83/1,180,803.89 = 468,453.83/x
3. Step 3: Cross multiply
   855,644.83x = 1,180,803.89 × 468,453.83
4. Step 4: Simplify right side
   855,644.83x = 553,152,100,016.51
5. Step 5: Solve for x
   x = 553,152,100,016.51/855,644.83
6. Step 6: Final answer
   x = 646,473.96