Finding the Fourth Proportional to 23,960.88, 33,066.24 and 13,206.15

Step by Step Solution

1. Step 1: Write the proportion equation
   23,960.88 : 33,066.24 = 13,206.15 : x
2. Step 2: Convert to fraction form
   23,960.88/33,066.24 = 13,206.15/x
3. Step 3: Cross multiply
   23,960.88x = 33,066.24 × 13,206.15
4. Step 4: Simplify right side
   23,960.88x = 436,677,494.01
5. Step 5: Solve for x
   x = 436,677,494.01/23,960.88
6. Step 6: Final answer
   x = 18,224.60