Finding the Fourth Proportional to 627,538, 866,003.72 and 344,914

Step by Step Solution

1. Step 1: Write the proportion equation
   627,538 : 866,003.72 = 344,914 : x
2. Step 2: Convert to fraction form
   627,538/866,003.72 = 344,914/x
3. Step 3: Cross multiply
   627,538x = 866,003.72 × 344,914
4. Step 4: Simplify right side
   627,538x = 298,696,807,080.08
5. Step 5: Solve for x
   x = 298,696,807,080.08/627,538
6. Step 6: Final answer
   x = 475,982.02