Finding the Fourth Proportional to 16,900.80, 23,313.24 and 9,826.08

Step by Step Solution

1. Step 1: Write the proportion equation
   16,900.80 : 23,313.24 = 9,826.08 : x
2. Step 2: Convert to fraction form
   16,900.80/23,313.24 = 9,826.08/x
3. Step 3: Cross multiply
   16,900.80x = 23,313.24 × 9,826.08
4. Step 4: Simplify right side
   16,900.80x = 229,077,761.30
5. Step 5: Solve for x
   x = 229,077,761.30/16,900.80
6. Step 6: Final answer
   x = 13,554.26