Finding the Fourth Proportional to 2,190.29, 3,020.62 and 1,404.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,190.29 : 3,020.62 = 1,404.18 : x
2. Step 2: Convert to fraction form
   2,190.29/3,020.62 = 1,404.18/x
3. Step 3: Cross multiply
   2,190.29x = 3,020.62 × 1,404.18
4. Step 4: Simplify right side
   2,190.29x = 4,241,494.19
5. Step 5: Solve for x
   x = 4,241,494.19/2,190.29
6. Step 6: Final answer
   x = 1,936.50