Finding the Fourth Proportional to 3,636.41, 5,456.23 and 1,904.63

Step by Step Solution

1. Step 1: Write the proportion equation
   3,636.41 : 5,456.23 = 1,904.63 : x
2. Step 2: Convert to fraction form
   3,636.41/5,456.23 = 1,904.63/x
3. Step 3: Cross multiply
   3,636.41x = 5,456.23 × 1,904.63
4. Step 4: Simplify right side
   3,636.41x = 10,392,067.30
5. Step 5: Solve for x
   x = 10,392,067.30/3,636.41
6. Step 6: Final answer
   x = 2,857.79