Finding the Fourth Proportional to 10,233.21, 14,120.37 and 5,756.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,233.21 : 14,120.37 = 5,756.79 : x
2. Step 2: Convert to fraction form
   10,233.21/14,120.37 = 5,756.79/x
3. Step 3: Cross multiply
   10,233.21x = 14,120.37 × 5,756.79
4. Step 4: Simplify right side
   10,233.21x = 81,288,004.81
5. Step 5: Solve for x
   x = 81,288,004.81/10,233.21
6. Step 6: Final answer
   x = 7,943.55