Finding the Fourth Proportional to 35,665, 49,219.28 and 19,749.48

Step by Step Solution

1. Step 1: Write the proportion equation
   35,665 : 49,219.28 = 19,749.48 : x
2. Step 2: Convert to fraction form
   35,665/49,219.28 = 19,749.48/x
3. Step 3: Cross multiply
   35,665x = 49,219.28 × 19,749.48
4. Step 4: Simplify right side
   35,665x = 972,055,185.97
5. Step 5: Solve for x
   x = 972,055,185.97/35,665
6. Step 6: Final answer
   x = 27,255.16