Finding the Fourth Proportional to 23,330.72, 32,196.12 and 12,720.44

Step by Step Solution

1. Step 1: Write the proportion equation
   23,330.72 : 32,196.12 = 12,720.44 : x
2. Step 2: Convert to fraction form
   23,330.72/32,196.12 = 12,720.44/x
3. Step 3: Cross multiply
   23,330.72x = 32,196.12 × 12,720.44
4. Step 4: Simplify right side
   23,330.72x = 409,548,812.69
5. Step 5: Solve for x
   x = 409,548,812.69/23,330.72
6. Step 6: Final answer
   x = 17,554.06