Finding the Fourth Proportional to 16,957.35, 23,403.87 and 9,882.40

Step by Step Solution

1. Step 1: Write the proportion equation
   16,957.35 : 23,403.87 = 9,882.40 : x
2. Step 2: Convert to fraction form
   16,957.35/23,403.87 = 9,882.40/x
3. Step 3: Cross multiply
   16,957.35x = 23,403.87 × 9,882.40
4. Step 4: Simplify right side
   16,957.35x = 231,286,404.89
5. Step 5: Solve for x
   x = 231,286,404.89/16,957.35
6. Step 6: Final answer
   x = 13,639.31