Finding the Fourth Proportional to 11,018.43, 16,516.71 and 9,843.12

Step by Step Solution

1. Step 1: Write the proportion equation
   11,018.43 : 16,516.71 = 9,843.12 : x
2. Step 2: Convert to fraction form
   11,018.43/16,516.71 = 9,843.12/x
3. Step 3: Cross multiply
   11,018.43x = 16,516.71 × 9,843.12
4. Step 4: Simplify right side
   11,018.43x = 162,575,958.54
5. Step 5: Solve for x
   x = 162,575,958.54/11,018.43
6. Step 6: Final answer
   x = 14,754.91