Finding the Fourth Proportional to 2,190.51, 3,282.05 and 1,323

Step by Step Solution

1. Step 1: Write the proportion equation
   2,190.51 : 3,282.05 = 1,323 : x
2. Step 2: Convert to fraction form
   2,190.51/3,282.05 = 1,323/x
3. Step 3: Cross multiply
   2,190.51x = 3,282.05 × 1,323
4. Step 4: Simplify right side
   2,190.51x = 4,342,155.46
5. Step 5: Solve for x
   x = 4,342,155.46/2,190.51
6. Step 6: Final answer
   x = 1,982.26