Finding the Fourth Proportional to 7,745.28, 10,686.72 and 5,093.12

Step by Step Solution

1. Step 1: Write the proportion equation
   7,745.28 : 10,686.72 = 5,093.12 : x
2. Step 2: Convert to fraction form
   7,745.28/10,686.72 = 5,093.12/x
3. Step 3: Cross multiply
   7,745.28x = 10,686.72 × 5,093.12
4. Step 4: Simplify right side
   7,745.28x = 54,428,747.37
5. Step 5: Solve for x
   x = 54,428,747.37/7,745.28
6. Step 6: Final answer
   x = 7,027.34