Finding the Fourth Proportional to 21,667.70, 32,469.59 and 9,825.09

Step by Step Solution

1. Step 1: Write the proportion equation
   21,667.70 : 32,469.59 = 9,825.09 : x
2. Step 2: Convert to fraction form
   21,667.70/32,469.59 = 9,825.09/x
3. Step 3: Cross multiply
   21,667.70x = 32,469.59 × 9,825.09
4. Step 4: Simplify right side
   21,667.70x = 319,016,594.89
5. Step 5: Solve for x
   x = 319,016,594.89/21,667.70
6. Step 6: Final answer
   x = 14,723.14