Finding the Fourth Proportional to 21,348.09, 32,021.73 and 12,524.76

Step by Step Solution

1. Step 1: Write the proportion equation
   21,348.09 : 32,021.73 = 12,524.76 : x
2. Step 2: Convert to fraction form
   21,348.09/32,021.73 = 12,524.76/x
3. Step 3: Cross multiply
   21,348.09x = 32,021.73 × 12,524.76
4. Step 4: Simplify right side
   21,348.09x = 401,064,483.03
5. Step 5: Solve for x
   x = 401,064,483.03/21,348.09
6. Step 6: Final answer
   x = 18,786.90