Finding the Fourth Proportional to 11,169.71, 16,729.04 and 5,330.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,169.71 : 16,729.04 = 5,330.42 : x
2. Step 2: Convert to fraction form
   11,169.71/16,729.04 = 5,330.42/x
3. Step 3: Cross multiply
   11,169.71x = 16,729.04 × 5,330.42
4. Step 4: Simplify right side
   11,169.71x = 89,172,864.55
5. Step 5: Solve for x
   x = 89,172,864.55/11,169.71
6. Step 6: Final answer
   x = 7,983.45