Finding the Fourth Proportional to 23,963.05, 33,069.23 and 13,208.31

Step by Step Solution

1. Step 1: Write the proportion equation
   23,963.05 : 33,069.23 = 13,208.31 : x
2. Step 2: Convert to fraction form
   23,963.05/33,069.23 = 13,208.31/x
3. Step 3: Cross multiply
   23,963.05x = 33,069.23 × 13,208.31
4. Step 4: Simplify right side
   23,963.05x = 436,788,641.30
5. Step 5: Solve for x
   x = 436,788,641.30/23,963.05
6. Step 6: Final answer
   x = 18,227.59