Finding the Fourth Proportional to 21,383.34, 32,081.49 and 9,693.42

Step by Step Solution

1. Step 1: Write the proportion equation
   21,383.34 : 32,081.49 = 9,693.42 : x
2. Step 2: Convert to fraction form
   21,383.34/32,081.49 = 9,693.42/x
3. Step 3: Cross multiply
   21,383.34x = 32,081.49 × 9,693.42
4. Step 4: Simplify right side
   21,383.34x = 310,979,356.80
5. Step 5: Solve for x
   x = 310,979,356.80/21,383.34
6. Step 6: Final answer
   x = 14,543.07