Finding the Fourth Proportional to 23,940.18, 33,036.86 and 13,329.59

Step by Step Solution

1. Step 1: Write the proportion equation
   23,940.18 : 33,036.86 = 13,329.59 : x
2. Step 2: Convert to fraction form
   23,940.18/33,036.86 = 13,329.59/x
3. Step 3: Cross multiply
   23,940.18x = 33,036.86 × 13,329.59
4. Step 4: Simplify right side
   23,940.18x = 440,367,566.86
5. Step 5: Solve for x
   x = 440,367,566.86/23,940.18
6. Step 6: Final answer
   x = 18,394.50