Finding the Fourth Proportional to 33,830.14, 50,739.27 and 10,456.78

Step by Step Solution

1. Step 1: Write the proportion equation
   33,830.14 : 50,739.27 = 10,456.78 : x
2. Step 2: Convert to fraction form
   33,830.14/50,739.27 = 10,456.78/x
3. Step 3: Cross multiply
   33,830.14x = 50,739.27 × 10,456.78
4. Step 4: Simplify right side
   33,830.14x = 530,569,383.75
5. Step 5: Solve for x
   x = 530,569,383.75/33,830.14
6. Step 6: Final answer
   x = 15,683.33