Finding the Fourth Proportional to 35,747.20, 49,327.89 and 19,831.60

Step by Step Solution

1. Step 1: Write the proportion equation
   35,747.20 : 49,327.89 = 19,831.60 : x
2. Step 2: Convert to fraction form
   35,747.20/49,327.89 = 19,831.60/x
3. Step 3: Cross multiply
   35,747.20x = 49,327.89 × 19,831.60
4. Step 4: Simplify right side
   35,747.20x = 978,250,983.32
5. Step 5: Solve for x
   x = 978,250,983.32/35,747.20
6. Step 6: Final answer
   x = 27,365.81