Finding the Fourth Proportional to 35,557.83, 49,067.91 and 20,448.09

Step by Step Solution

1. Step 1: Write the proportion equation
   35,557.83 : 49,067.91 = 20,448.09 : x
2. Step 2: Convert to fraction form
   35,557.83/49,067.91 = 20,448.09/x
3. Step 3: Cross multiply
   35,557.83x = 49,067.91 × 20,448.09
4. Step 4: Simplify right side
   35,557.83x = 1,003,345,039.79
5. Step 5: Solve for x
   x = 1,003,345,039.79/35,557.83
6. Step 6: Final answer
   x = 28,217.27