Finding the Fourth Proportional to 16,784.96, 23,154.72 and 11,186.24

Step by Step Solution

1. Step 1: Write the proportion equation
   16,784.96 : 23,154.72 = 11,186.24 : x
2. Step 2: Convert to fraction form
   16,784.96/23,154.72 = 11,186.24/x
3. Step 3: Cross multiply
   16,784.96x = 23,154.72 × 11,186.24
4. Step 4: Simplify right side
   16,784.96x = 259,014,255.05
5. Step 5: Solve for x
   x = 259,014,255.05/16,784.96
6. Step 6: Final answer
   x = 15,431.33