Finding the Fourth Proportional to 23,978.05, 33,089.73 and 13,367.45

Step by Step Solution

1. Step 1: Write the proportion equation
   23,978.05 : 33,089.73 = 13,367.45 : x
2. Step 2: Convert to fraction form
   23,978.05/33,089.73 = 13,367.45/x
3. Step 3: Cross multiply
   23,978.05x = 33,089.73 × 13,367.45
4. Step 4: Simplify right side
   23,978.05x = 442,325,311.29
5. Step 5: Solve for x
   x = 442,325,311.29/23,978.05
6. Step 6: Final answer
   x = 18,447.09