Finding the Fourth Proportional to 16,708.94, 23,057.72 and 9,539.22

Step by Step Solution

1. Step 1: Write the proportion equation
   16,708.94 : 23,057.72 = 9,539.22 : x
2. Step 2: Convert to fraction form
   16,708.94/23,057.72 = 9,539.22/x
3. Step 3: Cross multiply
   16,708.94x = 23,057.72 × 9,539.22
4. Step 4: Simplify right side
   16,708.94x = 219,952,663.78
5. Step 5: Solve for x
   x = 219,952,663.78/16,708.94
6. Step 6: Final answer
   x = 13,163.77