Finding the Fourth Proportional to 9,147.27, 13,718.17 and 3,882.21

Step by Step Solution

1. Step 1: Write the proportion equation
   9,147.27 : 13,718.17 = 3,882.21 : x
2. Step 2: Convert to fraction form
   9,147.27/13,718.17 = 3,882.21/x
3. Step 3: Cross multiply
   9,147.27x = 13,718.17 × 3,882.21
4. Step 4: Simplify right side
   9,147.27x = 53,256,816.76
5. Step 5: Solve for x
   x = 53,256,816.76/9,147.27
6. Step 6: Final answer
   x = 5,822.15