Finding the Fourth Proportional to 16,900.11, 23,320.71 and 9,826.92

Step by Step Solution

1. Step 1: Write the proportion equation
   16,900.11 : 23,320.71 = 9,826.92 : x
2. Step 2: Convert to fraction form
   16,900.11/23,320.71 = 9,826.92/x
3. Step 3: Cross multiply
   16,900.11x = 23,320.71 × 9,826.92
4. Step 4: Simplify right side
   16,900.11x = 229,170,751.51
5. Step 5: Solve for x
   x = 229,170,751.51/16,900.11
6. Step 6: Final answer
   x = 13,560.31