Finding the Fourth Proportional to 2,190.46, 3,022.83 and 1,404.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,190.46 : 3,022.83 = 1,404.50 : x
2. Step 2: Convert to fraction form
   2,190.46/3,022.83 = 1,404.50/x
3. Step 3: Cross multiply
   2,190.46x = 3,022.83 × 1,404.50
4. Step 4: Simplify right side
   2,190.46x = 4,245,557.71
5. Step 5: Solve for x
   x = 4,245,557.71/2,190.46
6. Step 6: Final answer
   x = 1,938.21