Finding the Fourth Proportional to 2,189.16, 3,021.17 and 1,350.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,189.16 : 3,021.17 = 1,350.41 : x
2. Step 2: Convert to fraction form
   2,189.16/3,021.17 = 1,350.41/x
3. Step 3: Cross multiply
   2,189.16x = 3,021.17 × 1,350.41
4. Step 4: Simplify right side
   2,189.16x = 4,079,796.32
5. Step 5: Solve for x
   x = 4,079,796.32/2,189.16
6. Step 6: Final answer
   x = 1,863.64