Finding the Fourth Proportional to 3,405.38, 5,087.37 and 2,162.84

Step by Step Solution

1. Step 1: Write the proportion equation
   3,405.38 : 5,087.37 = 2,162.84 : x
2. Step 2: Convert to fraction form
   3,405.38/5,087.37 = 2,162.84/x
3. Step 3: Cross multiply
   3,405.38x = 5,087.37 × 2,162.84
4. Step 4: Simplify right side
   3,405.38x = 11,003,167.33
5. Step 5: Solve for x
   x = 11,003,167.33/3,405.38
6. Step 6: Final answer
   x = 3,231.11