Finding the Fourth Proportional to 17,016.16, 25,536.72 and 11,170.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,016.16 : 25,536.72 = 11,170.72 : x
2. Step 2: Convert to fraction form
   17,016.16/25,536.72 = 11,170.72/x
3. Step 3: Cross multiply
   17,016.16x = 25,536.72 × 11,170.72
4. Step 4: Simplify right side
   17,016.16x = 285,263,548.84
5. Step 5: Solve for x
   x = 285,263,548.84/17,016.16
6. Step 6: Final answer
   x = 16,764.27