Finding the Fourth Proportional to 6,380.72, 9,569.64 and 2,276.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,380.72 : 9,569.64 = 2,276.72 : x
2. Step 2: Convert to fraction form
   6,380.72/9,569.64 = 2,276.72/x
3. Step 3: Cross multiply
   6,380.72x = 9,569.64 × 2,276.72
4. Step 4: Simplify right side
   6,380.72x = 21,787,390.78
5. Step 5: Solve for x
   x = 21,787,390.78/6,380.72
6. Step 6: Final answer
   x = 3,414.57