Finding the Fourth Proportional to 10,313.28, 14,231.12 and 5,776.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,313.28 : 14,231.12 = 5,776.25 : x
2. Step 2: Convert to fraction form
   10,313.28/14,231.12 = 5,776.25/x
3. Step 3: Cross multiply
   10,313.28x = 14,231.12 × 5,776.25
4. Step 4: Simplify right side
   10,313.28x = 82,202,406.86
5. Step 5: Solve for x
   x = 82,202,406.86/10,313.28
6. Step 6: Final answer
   x = 7,970.54