Finding the Fourth Proportional to 16,499.72, 22,733.92 and 11,185.32

Step by Step Solution

1. Step 1: Write the proportion equation
   16,499.72 : 22,733.92 = 11,185.32 : x
2. Step 2: Convert to fraction form
   16,499.72/22,733.92 = 11,185.32/x
3. Step 3: Cross multiply
   16,499.72x = 22,733.92 × 11,185.32
4. Step 4: Simplify right side
   16,499.72x = 254,286,170.05
5. Step 5: Solve for x
   x = 254,286,170.05/16,499.72
6. Step 6: Final answer
   x = 15,411.54