Finding the Fourth Proportional to 627,972.72, 866,608.52 and 341,499

Step by Step Solution

1. Step 1: Write the proportion equation
   627,972.72 : 866,608.52 = 341,499 : x
2. Step 2: Convert to fraction form
   627,972.72/866,608.52 = 341,499/x
3. Step 3: Cross multiply
   627,972.72x = 866,608.52 × 341,499
4. Step 4: Simplify right side
   627,972.72x = 295,945,942,971.48
5. Step 5: Solve for x
   x = 295,945,942,971.48/627,972.72
6. Step 6: Final answer
   x = 471,271.97