Finding the Fourth Proportional to 2,190.43, 3,022.01 and 1,404.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,190.43 : 3,022.01 = 1,404.91 : x
2. Step 2: Convert to fraction form
   2,190.43/3,022.01 = 1,404.91/x
3. Step 3: Cross multiply
   2,190.43x = 3,022.01 × 1,404.91
4. Step 4: Simplify right side
   2,190.43x = 4,245,636.96
5. Step 5: Solve for x
   x = 4,245,636.96/2,190.43
6. Step 6: Final answer
   x = 1,938.27