Finding the Fourth Proportional to 3,958.02, 5,461.83 and 2,189.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,958.02 : 5,461.83 = 2,189.52 : x
2. Step 2: Convert to fraction form
   3,958.02/5,461.83 = 2,189.52/x
3. Step 3: Cross multiply
   3,958.02x = 5,461.83 × 2,189.52
4. Step 4: Simplify right side
   3,958.02x = 11,958,786.02
5. Step 5: Solve for x
   x = 11,958,786.02/3,958.02
6. Step 6: Final answer
   x = 3,021.41