Finding the Fourth Proportional to 6,784.56, 10,176.72 and 2,680.56

Step by Step Solution

1. Step 1: Write the proportion equation
   6,784.56 : 10,176.72 = 2,680.56 : x
2. Step 2: Convert to fraction form
   6,784.56/10,176.72 = 2,680.56/x
3. Step 3: Cross multiply
   6,784.56x = 10,176.72 × 2,680.56
4. Step 4: Simplify right side
   6,784.56x = 27,279,308.56
5. Step 5: Solve for x
   x = 27,279,308.56/6,784.56
6. Step 6: Final answer
   x = 4,020.79