Finding the Fourth Proportional to 8,314.56, 12,475.98 and 4,419

Step by Step Solution

1. Step 1: Write the proportion equation
   8,314.56 : 12,475.98 = 4,419 : x
2. Step 2: Convert to fraction form
   8,314.56/12,475.98 = 4,419/x
3. Step 3: Cross multiply
   8,314.56x = 12,475.98 × 4,419
4. Step 4: Simplify right side
   8,314.56x = 55,131,355.62
5. Step 5: Solve for x
   x = 55,131,355.62/8,314.56
6. Step 6: Final answer
   x = 6,630.70