Finding the Fourth Proportional to 9,146.72, 13,723.70 and 3,882.87

Step by Step Solution

1. Step 1: Write the proportion equation
   9,146.72 : 13,723.70 = 3,882.87 : x
2. Step 2: Convert to fraction form
   9,146.72/13,723.70 = 3,882.87/x
3. Step 3: Cross multiply
   9,146.72x = 13,723.70 × 3,882.87
4. Step 4: Simplify right side
   9,146.72x = 53,287,323.60
5. Step 5: Solve for x
   x = 53,287,323.60/9,146.72
6. Step 6: Final answer
   x = 5,825.84