Finding the Fourth Proportional to 6,369.72, 8,793.18 and 4,248.78

Step by Step Solution

1. Step 1: Write the proportion equation
   6,369.72 : 8,793.18 = 4,248.78 : x
2. Step 2: Convert to fraction form
   6,369.72/8,793.18 = 4,248.78/x
3. Step 3: Cross multiply
   6,369.72x = 8,793.18 × 4,248.78
4. Step 4: Simplify right side
   6,369.72x = 37,360,287.32
5. Step 5: Solve for x
   x = 37,360,287.32/6,369.72
6. Step 6: Final answer
   x = 5,865.30