Finding the Fourth Proportional to 10,247.57, 14,141.41 and 5,771.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,247.57 : 14,141.41 = 5,771.34 : x
2. Step 2: Convert to fraction form
   10,247.57/14,141.41 = 5,771.34/x
3. Step 3: Cross multiply
   10,247.57x = 14,141.41 × 5,771.34
4. Step 4: Simplify right side
   10,247.57x = 81,614,870.76
5. Step 5: Solve for x
   x = 81,614,870.76/10,247.57
6. Step 6: Final answer
   x = 7,964.31