Finding the Fourth Proportional to 33,007.40, 49,518.78 and 10,819.40

Step by Step Solution

1. Step 1: Write the proportion equation
   33,007.40 : 49,518.78 = 10,819.40 : x
2. Step 2: Convert to fraction form
   33,007.40/49,518.78 = 10,819.40/x
3. Step 3: Cross multiply
   33,007.40x = 49,518.78 × 10,819.40
4. Step 4: Simplify right side
   33,007.40x = 535,763,488.33
5. Step 5: Solve for x
   x = 535,763,488.33/33,007.40
6. Step 6: Final answer
   x = 16,231.62