Finding the Fourth Proportional to 50,809.33, 70,119.47 and 30,665.92

Step by Step Solution

1. Step 1: Write the proportion equation
   50,809.33 : 70,119.47 = 30,665.92 : x
2. Step 2: Convert to fraction form
   50,809.33/70,119.47 = 30,665.92/x
3. Step 3: Cross multiply
   50,809.33x = 70,119.47 × 30,665.92
4. Step 4: Simplify right side
   50,809.33x = 2,150,277,893.09
5. Step 5: Solve for x
   x = 2,150,277,893.09/50,809.33
6. Step 6: Final answer
   x = 42,320.54