Finding the Fourth Proportional to 16,323.69, 22,496.04 and 11,278.91

Step by Step Solution

1. Step 1: Write the proportion equation
   16,323.69 : 22,496.04 = 11,278.91 : x
2. Step 2: Convert to fraction form
   16,323.69/22,496.04 = 11,278.91/x
3. Step 3: Cross multiply
   16,323.69x = 22,496.04 × 11,278.91
4. Step 4: Simplify right side
   16,323.69x = 253,730,698.04
5. Step 5: Solve for x
   x = 253,730,698.04/16,323.69
6. Step 6: Final answer
   x = 15,543.71