Finding the Fourth Proportional to 21,939.30, 32,867.51 and 10,833.03

Step by Step Solution

1. Step 1: Write the proportion equation
   21,939.30 : 32,867.51 = 10,833.03 : x
2. Step 2: Convert to fraction form
   21,939.30/32,867.51 = 10,833.03/x
3. Step 3: Cross multiply
   21,939.30x = 32,867.51 × 10,833.03
4. Step 4: Simplify right side
   21,939.30x = 356,054,667.69
5. Step 5: Solve for x
   x = 356,054,667.69/21,939.30
6. Step 6: Final answer
   x = 16,229.08