Finding the Fourth Proportional to 2,190.83, 3,020.69 and 1,444.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,190.83 : 3,020.69 = 1,444.55 : x
2. Step 2: Convert to fraction form
   2,190.83/3,020.69 = 1,444.55/x
3. Step 3: Cross multiply
   2,190.83x = 3,020.69 × 1,444.55
4. Step 4: Simplify right side
   2,190.83x = 4,363,526.25
5. Step 5: Solve for x
   x = 4,363,526.25/2,190.83
6. Step 6: Final answer
   x = 1,991.73