Finding the Fourth Proportional to 2,768.24, 4,134.42 and 2,507.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,768.24 : 4,134.42 = 2,507.72 : x
2. Step 2: Convert to fraction form
   2,768.24/4,134.42 = 2,507.72/x
3. Step 3: Cross multiply
   2,768.24x = 4,134.42 × 2,507.72
4. Step 4: Simplify right side
   2,768.24x = 10,367,967.72
5. Step 5: Solve for x
   x = 10,367,967.72/2,768.24
6. Step 6: Final answer
   x = 3,745.33