Finding the Fourth Proportional to 627,766.64, 866,327.82 and 341,287.82

Step by Step Solution

1. Step 1: Write the proportion equation
   627,766.64 : 866,327.82 = 341,287.82 : x
2. Step 2: Convert to fraction form
   627,766.64/866,327.82 = 341,287.82/x
3. Step 3: Cross multiply
   627,766.64x = 866,327.82 × 341,287.82
4. Step 4: Simplify right side
   627,766.64x = 295,667,133,093.15
5. Step 5: Solve for x
   x = 295,667,133,093.15/627,766.64
6. Step 6: Final answer
   x = 470,982.55