Finding the Fourth Proportional to 10,481.28, 14,464.56 and 5,765.40

Step by Step Solution

1. Step 1: Write the proportion equation
   10,481.28 : 14,464.56 = 5,765.40 : x
2. Step 2: Convert to fraction form
   10,481.28/14,464.56 = 5,765.40/x
3. Step 3: Cross multiply
   10,481.28x = 14,464.56 × 5,765.40
4. Step 4: Simplify right side
   10,481.28x = 83,393,974.22
5. Step 5: Solve for x
   x = 83,393,974.22/10,481.28
6. Step 6: Final answer
   x = 7,956.47