Finding the Fourth Proportional to 16,782.88, 23,162.22 and 9,709

Step by Step Solution

1. Step 1: Write the proportion equation
   16,782.88 : 23,162.22 = 9,709 : x
2. Step 2: Convert to fraction form
   16,782.88/23,162.22 = 9,709/x
3. Step 3: Cross multiply
   16,782.88x = 23,162.22 × 9,709
4. Step 4: Simplify right side
   16,782.88x = 224,881,993.98
5. Step 5: Solve for x
   x = 224,881,993.98/16,782.88
6. Step 6: Final answer
   x = 13,399.49