Finding the Fourth Proportional to 3,953.83, 5,456.08 and 2,185.33

Step by Step Solution

1. Step 1: Write the proportion equation
   3,953.83 : 5,456.08 = 2,185.33 : x
2. Step 2: Convert to fraction form
   3,953.83/5,456.08 = 2,185.33/x
3. Step 3: Cross multiply
   3,953.83x = 5,456.08 × 2,185.33
4. Step 4: Simplify right side
   3,953.83x = 11,923,335.31
5. Step 5: Solve for x
   x = 11,923,335.31/3,953.83
6. Step 6: Final answer
   x = 3,015.64