Finding the Fourth Proportional to 7,727.72, 10,661.46 and 5,076.56

Step by Step Solution

1. Step 1: Write the proportion equation
   7,727.72 : 10,661.46 = 5,076.56 : x
2. Step 2: Convert to fraction form
   7,727.72/10,661.46 = 5,076.56/x
3. Step 3: Cross multiply
   7,727.72x = 10,661.46 × 5,076.56
4. Step 4: Simplify right side
   7,727.72x = 54,123,541.38
5. Step 5: Solve for x
   x = 54,123,541.38/7,727.72
6. Step 6: Final answer
   x = 7,003.82