Finding the Fourth Proportional to 35,638.27, 49,182.36 and 19,722.73

Step by Step Solution

1. Step 1: Write the proportion equation
   35,638.27 : 49,182.36 = 19,722.73 : x
2. Step 2: Convert to fraction form
   35,638.27/49,182.36 = 19,722.73/x
3. Step 3: Cross multiply
   35,638.27x = 49,182.36 × 19,722.73
4. Step 4: Simplify right side
   35,638.27x = 970,010,111.82
5. Step 5: Solve for x
   x = 970,010,111.82/35,638.27
6. Step 6: Final answer
   x = 27,218.22