Finding the Fourth Proportional to 16,729.15, 23,086.27 and 9,655.57

Step by Step Solution

1. Step 1: Write the proportion equation
   16,729.15 : 23,086.27 = 9,655.57 : x
2. Step 2: Convert to fraction form
   16,729.15/23,086.27 = 9,655.57/x
3. Step 3: Cross multiply
   16,729.15x = 23,086.27 × 9,655.57
4. Step 4: Simplify right side
   16,729.15x = 222,911,082.64
5. Step 5: Solve for x
   x = 222,911,082.64/16,729.15
6. Step 6: Final answer
   x = 13,324.71