Finding the Fourth Proportional to 23,871.24, 32,940.27 and 13,261.05

Step by Step Solution

1. Step 1: Write the proportion equation
   23,871.24 : 32,940.27 = 13,261.05 : x
2. Step 2: Convert to fraction form
   23,871.24/32,940.27 = 13,261.05/x
3. Step 3: Cross multiply
   23,871.24x = 32,940.27 × 13,261.05
4. Step 4: Simplify right side
   23,871.24x = 436,822,567.48
5. Step 5: Solve for x
   x = 436,822,567.48/23,871.24
6. Step 6: Final answer
   x = 18,299.12