Finding the Fourth Proportional to 23,968.86, 33,078.42 and 13,358.76

Step by Step Solution

1. Step 1: Write the proportion equation
   23,968.86 : 33,078.42 = 13,358.76 : x
2. Step 2: Convert to fraction form
   23,968.86/33,078.42 = 13,358.76/x
3. Step 3: Cross multiply
   23,968.86x = 33,078.42 × 13,358.76
4. Step 4: Simplify right side
   23,968.86x = 441,886,673.96
5. Step 5: Solve for x
   x = 441,886,673.96/23,968.86
6. Step 6: Final answer
   x = 18,435.87