Finding the Fourth Proportional to 23,330.43, 32,196.29 and 12,720.24

Step by Step Solution

1. Step 1: Write the proportion equation
   23,330.43 : 32,196.29 = 12,720.24 : x
2. Step 2: Convert to fraction form
   23,330.43/32,196.29 = 12,720.24/x
3. Step 3: Cross multiply
   23,330.43x = 32,196.29 × 12,720.24
4. Step 4: Simplify right side
   23,330.43x = 409,544,472.31
5. Step 5: Solve for x
   x = 409,544,472.31/23,330.43
6. Step 6: Final answer
   x = 17,554.09