Finding the Fourth Proportional to 6,369.02, 8,789.20 and 3,680.18

Step by Step Solution

1. Step 1: Write the proportion equation
   6,369.02 : 8,789.20 = 3,680.18 : x
2. Step 2: Convert to fraction form
   6,369.02/8,789.20 = 3,680.18/x
3. Step 3: Cross multiply
   6,369.02x = 8,789.20 × 3,680.18
4. Step 4: Simplify right side
   6,369.02x = 32,345,784.91
5. Step 5: Solve for x
   x = 32,345,784.91/6,369.02
6. Step 6: Final answer
   x = 5,078.62