Finding the Fourth Proportional to 6,144.18, 8,478.86 and 3,349.68

Step by Step Solution

1. Step 1: Write the proportion equation
   6,144.18 : 8,478.86 = 3,349.68 : x
2. Step 2: Convert to fraction form
   6,144.18/8,478.86 = 3,349.68/x
3. Step 3: Cross multiply
   6,144.18x = 8,478.86 × 3,349.68
4. Step 4: Simplify right side
   6,144.18x = 28,401,467.76
5. Step 5: Solve for x
   x = 28,401,467.76/6,144.18
6. Step 6: Final answer
   x = 4,622.50