Finding the Fourth Proportional to 23,969.64, 33,078.15 and 13,359.06

Step by Step Solution

1. Step 1: Write the proportion equation
   23,969.64 : 33,078.15 = 13,359.06 : x
2. Step 2: Convert to fraction form
   23,969.64/33,078.15 = 13,359.06/x
3. Step 3: Cross multiply
   23,969.64x = 33,078.15 × 13,359.06
4. Step 4: Simplify right side
   23,969.64x = 441,892,990.54
5. Step 5: Solve for x
   x = 441,892,990.54/23,969.64
6. Step 6: Final answer
   x = 18,435.53