Finding the Fourth Proportional to 8,926.71, 12,313.28 and 5,744.15

Step by Step Solution

1. Step 1: Write the proportion equation
   8,926.71 : 12,313.28 = 5,744.15 : x
2. Step 2: Convert to fraction form
   8,926.71/12,313.28 = 5,744.15/x
3. Step 3: Cross multiply
   8,926.71x = 12,313.28 × 5,744.15
4. Step 4: Simplify right side
   8,926.71x = 70,729,372.17
5. Step 5: Solve for x
   x = 70,729,372.17/8,926.71
6. Step 6: Final answer
   x = 7,923.34