Finding the Fourth Proportional to 6,144.41, 8,479.28 and 3,349.91

Step by Step Solution

1. Step 1: Write the proportion equation
   6,144.41 : 8,479.28 = 3,349.91 : x
2. Step 2: Convert to fraction form
   6,144.41/8,479.28 = 3,349.91/x
3. Step 3: Cross multiply
   6,144.41x = 8,479.28 × 3,349.91
4. Step 4: Simplify right side
   6,144.41x = 28,404,824.86
5. Step 5: Solve for x
   x = 28,404,824.86/6,144.41
6. Step 6: Final answer
   x = 4,622.87