Finding the Fourth Proportional to 12,871.52, 17,762.46 and 7,206.27

Step by Step Solution

1. Step 1: Write the proportion equation
   12,871.52 : 17,762.46 = 7,206.27 : x
2. Step 2: Convert to fraction form
   12,871.52/17,762.46 = 7,206.27/x
3. Step 3: Cross multiply
   12,871.52x = 17,762.46 × 7,206.27
4. Step 4: Simplify right side
   12,871.52x = 128,001,082.62
5. Step 5: Solve for x
   x = 128,001,082.62/12,871.52
6. Step 6: Final answer
   x = 9,944.52