Finding the Fourth Proportional to 2,190.17, 3,022.56 and 1,195.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,190.17 : 3,022.56 = 1,195.43 : x
2. Step 2: Convert to fraction form
   2,190.17/3,022.56 = 1,195.43/x
3. Step 3: Cross multiply
   2,190.17x = 3,022.56 × 1,195.43
4. Step 4: Simplify right side
   2,190.17x = 3,613,243.79
5. Step 5: Solve for x
   x = 3,613,243.79/2,190.17
6. Step 6: Final answer
   x = 1,649.75