Finding the Fourth Proportional to 23,280.23, 32,127.42 and 13,209.09

Step by Step Solution

1. Step 1: Write the proportion equation
   23,280.23 : 32,127.42 = 13,209.09 : x
2. Step 2: Convert to fraction form
   23,280.23/32,127.42 = 13,209.09/x
3. Step 3: Cross multiply
   23,280.23x = 32,127.42 × 13,209.09
4. Step 4: Simplify right side
   23,280.23x = 424,373,982.25
5. Step 5: Solve for x
   x = 424,373,982.25/23,280.23
6. Step 6: Final answer
   x = 18,228.95