Finding the Fourth Proportional to 627,967.83, 866,618.42 and 359,747.67

Step by Step Solution

1. Step 1: Write the proportion equation
   627,967.83 : 866,618.42 = 359,747.67 : x
2. Step 2: Convert to fraction form
   627,967.83/866,618.42 = 359,747.67/x
3. Step 3: Cross multiply
   627,967.83x = 866,618.42 × 359,747.67
4. Step 4: Simplify right side
   627,967.83x = 311,763,955,575.34
5. Step 5: Solve for x
   x = 311,763,955,575.34/627,967.83
6. Step 6: Final answer
   x = 496,464.85