Finding the Fourth Proportional to 2,189.96, 3,022.14 and 1,404

Step by Step Solution

1. Step 1: Write the proportion equation
   2,189.96 : 3,022.14 = 1,404 : x
2. Step 2: Convert to fraction form
   2,189.96/3,022.14 = 1,404/x
3. Step 3: Cross multiply
   2,189.96x = 3,022.14 × 1,404
4. Step 4: Simplify right side
   2,189.96x = 4,243,079.30
5. Step 5: Solve for x
   x = 4,243,079.30/2,189.96
6. Step 6: Final answer
   x = 1,937.52