Finding the Fourth Proportional to 5,104.56, 7,651.56 and 2,791.12

Step by Step Solution

1. Step 1: Write the proportion equation
   5,104.56 : 7,651.56 = 2,791.12 : x
2. Step 2: Convert to fraction form
   5,104.56/7,651.56 = 2,791.12/x
3. Step 3: Cross multiply
   5,104.56x = 7,651.56 × 2,791.12
4. Step 4: Simplify right side
   5,104.56x = 21,356,422.15
5. Step 5: Solve for x
   x = 21,356,422.15/5,104.56
6. Step 6: Final answer
   x = 4,183.79