Finding the Fourth Proportional to 2,771.24, 4,138.89 and 2,510.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,771.24 : 4,138.89 = 2,510.72 : x
2. Step 2: Convert to fraction form
   2,771.24/4,138.89 = 2,510.72/x
3. Step 3: Cross multiply
   2,771.24x = 4,138.89 × 2,510.72
4. Step 4: Simplify right side
   2,771.24x = 10,391,593.90
5. Step 5: Solve for x
   x = 10,391,593.90/2,771.24
6. Step 6: Final answer
   x = 3,749.80