Finding the Fourth Proportional to 33,019.49, 49,535.39 and 10,839.21

Step by Step Solution

1. Step 1: Write the proportion equation
   33,019.49 : 49,535.39 = 10,839.21 : x
2. Step 2: Convert to fraction form
   33,019.49/49,535.39 = 10,839.21/x
3. Step 3: Cross multiply
   33,019.49x = 49,535.39 × 10,839.21
4. Step 4: Simplify right side
   33,019.49x = 536,924,521.74
5. Step 5: Solve for x
   x = 536,924,521.74/33,019.49
6. Step 6: Final answer
   x = 16,260.84