Finding the Fourth Proportional to 16,516.79, 22,793.18 and 9,443.36

Step by Step Solution

1. Step 1: Write the proportion equation
   16,516.79 : 22,793.18 = 9,443.36 : x
2. Step 2: Convert to fraction form
   16,516.79/22,793.18 = 9,443.36/x
3. Step 3: Cross multiply
   16,516.79x = 22,793.18 × 9,443.36
4. Step 4: Simplify right side
   16,516.79x = 215,244,078.51
5. Step 5: Solve for x
   x = 215,244,078.51/16,516.79
6. Step 6: Final answer
   x = 13,031.84