Finding the Fourth Proportional to 21,567.29, 32,327.74 and 10,449.43

Step by Step Solution

1. Step 1: Write the proportion equation
   21,567.29 : 32,327.74 = 10,449.43 : x
2. Step 2: Convert to fraction form
   21,567.29/32,327.74 = 10,449.43/x
3. Step 3: Cross multiply
   21,567.29x = 32,327.74 × 10,449.43
4. Step 4: Simplify right side
   21,567.29x = 337,806,388.43
5. Step 5: Solve for x
   x = 337,806,388.43/21,567.29
6. Step 6: Final answer
   x = 15,662.91