Finding the Fourth Proportional to 6,144.20, 8,479.32 and 3,349.88

Step by Step Solution

1. Step 1: Write the proportion equation
   6,144.20 : 8,479.32 = 3,349.88 : x
2. Step 2: Convert to fraction form
   6,144.20/8,479.32 = 3,349.88/x
3. Step 3: Cross multiply
   6,144.20x = 8,479.32 × 3,349.88
4. Step 4: Simplify right side
   6,144.20x = 28,404,704.48
5. Step 5: Solve for x
   x = 28,404,704.48/6,144.20
6. Step 6: Final answer
   x = 4,623.01