Finding the Fourth Proportional to 23,271.49, 32,114.88 and 12,661.21

Step by Step Solution

1. Step 1: Write the proportion equation
   23,271.49 : 32,114.88 = 12,661.21 : x
2. Step 2: Convert to fraction form
   23,271.49/32,114.88 = 12,661.21/x
3. Step 3: Cross multiply
   23,271.49x = 32,114.88 × 12,661.21
4. Step 4: Simplify right side
   23,271.49x = 406,613,239.80
5. Step 5: Solve for x
   x = 406,613,239.80/23,271.49
6. Step 6: Final answer
   x = 17,472.59