Finding the Fourth Proportional to 10,251.27, 14,145.04 and 5,712.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,251.27 : 14,145.04 = 5,712.96 : x
2. Step 2: Convert to fraction form
   10,251.27/14,145.04 = 5,712.96/x
3. Step 3: Cross multiply
   10,251.27x = 14,145.04 × 5,712.96
4. Step 4: Simplify right side
   10,251.27x = 80,809,974.71
5. Step 5: Solve for x
   x = 80,809,974.71/10,251.27
6. Step 6: Final answer
   x = 7,882.93