Finding the Fourth Proportional to 33,016.18, 49,519.38 and 10,831.90

Step by Step Solution

1. Step 1: Write the proportion equation
   33,016.18 : 49,519.38 = 10,831.90 : x
2. Step 2: Convert to fraction form
   33,016.18/49,519.38 = 10,831.90/x
3. Step 3: Cross multiply
   33,016.18x = 49,519.38 × 10,831.90
4. Step 4: Simplify right side
   33,016.18x = 536,388,972.22
5. Step 5: Solve for x
   x = 536,388,972.22/33,016.18
6. Step 6: Final answer
   x = 16,246.25