Finding the Fourth Proportional to 5,099.05, 7,650.79 and 2,760.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,099.05 : 7,650.79 = 2,760.72 : x
2. Step 2: Convert to fraction form
   5,099.05/7,650.79 = 2,760.72/x
3. Step 3: Cross multiply
   5,099.05x = 7,650.79 × 2,760.72
4. Step 4: Simplify right side
   5,099.05x = 21,121,653.38
5. Step 5: Solve for x
   x = 21,121,653.38/5,099.05
6. Step 6: Final answer
   x = 4,142.27