Finding the Fourth Proportional to 35,721.72, 49,298.76 and 19,809.27

Step by Step Solution

1. Step 1: Write the proportion equation
   35,721.72 : 49,298.76 = 19,809.27 : x
2. Step 2: Convert to fraction form
   35,721.72/49,298.76 = 19,809.27/x
3. Step 3: Cross multiply
   35,721.72x = 49,298.76 × 19,809.27
4. Step 4: Simplify right side
   35,721.72x = 976,572,447.51
5. Step 5: Solve for x
   x = 976,572,447.51/35,721.72
6. Step 6: Final answer
   x = 27,338.34