Finding the Fourth Proportional to 23,331.30, 32,196.24 and 12,720.71

Step by Step Solution

1. Step 1: Write the proportion equation
   23,331.30 : 32,196.24 = 12,720.71 : x
2. Step 2: Convert to fraction form
   23,331.30/32,196.24 = 12,720.71/x
3. Step 3: Cross multiply
   23,331.30x = 32,196.24 × 12,720.71
4. Step 4: Simplify right side
   23,331.30x = 409,558,871.15
5. Step 5: Solve for x
   x = 409,558,871.15/23,331.30
6. Step 6: Final answer
   x = 17,554.05