Finding the Fourth Proportional to 16,806.07, 23,192.37 and 9,355.83

Step by Step Solution

1. Step 1: Write the proportion equation
   16,806.07 : 23,192.37 = 9,355.83 : x
2. Step 2: Convert to fraction form
   16,806.07/23,192.37 = 9,355.83/x
3. Step 3: Cross multiply
   16,806.07x = 23,192.37 × 9,355.83
4. Step 4: Simplify right side
   16,806.07x = 216,983,708.28
5. Step 5: Solve for x
   x = 216,983,708.28/16,806.07
6. Step 6: Final answer
   x = 12,911.04