Finding the Fourth Proportional to 6,144.27, 8,479.53 and 3,786.57

Step by Step Solution

1. Step 1: Write the proportion equation
   6,144.27 : 8,479.53 = 3,786.57 : x
2. Step 2: Convert to fraction form
   6,144.27/8,479.53 = 3,786.57/x
3. Step 3: Cross multiply
   6,144.27x = 8,479.53 × 3,786.57
4. Step 4: Simplify right side
   6,144.27x = 32,108,333.91
5. Step 5: Solve for x
   x = 32,108,333.91/6,144.27
6. Step 6: Final answer
   x = 5,225.74