Finding the Fourth Proportional to 9,760.56, 14,640.72 and 2,740.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,760.56 : 14,640.72 = 2,740.56 : x
2. Step 2: Convert to fraction form
   9,760.56/14,640.72 = 2,740.56/x
3. Step 3: Cross multiply
   9,760.56x = 14,640.72 × 2,740.56
4. Step 4: Simplify right side
   9,760.56x = 40,123,771.60
5. Step 5: Solve for x
   x = 40,123,771.60/9,760.56
6. Step 6: Final answer
   x = 4,110.81