Finding the Fourth Proportional to 49,238.82, 73,880.92 and 30,540.78

Step by Step Solution

1. Step 1: Write the proportion equation
   49,238.82 : 73,880.92 = 30,540.78 : x
2. Step 2: Convert to fraction form
   49,238.82/73,880.92 = 30,540.78/x
3. Step 3: Cross multiply
   49,238.82x = 73,880.92 × 30,540.78
4. Step 4: Simplify right side
   49,238.82x = 2,256,380,923.92
5. Step 5: Solve for x
   x = 2,256,380,923.92/49,238.82
6. Step 6: Final answer
   x = 45,825.24