Finding the Fourth Proportional to 10,239.72, 14,131.95 and 5,764.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,239.72 : 14,131.95 = 5,764.56 : x
2. Step 2: Convert to fraction form
   10,239.72/14,131.95 = 5,764.56/x
3. Step 3: Cross multiply
   10,239.72x = 14,131.95 × 5,764.56
4. Step 4: Simplify right side
   10,239.72x = 81,464,473.69
5. Step 5: Solve for x
   x = 81,464,473.69/10,239.72
6. Step 6: Final answer
   x = 7,955.73