Finding the Fourth Proportional to 2,162.78, 2,984.70 and 1,323.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,162.78 : 2,984.70 = 1,323.84 : x
2. Step 2: Convert to fraction form
   2,162.78/2,984.70 = 1,323.84/x
3. Step 3: Cross multiply
   2,162.78x = 2,984.70 × 1,323.84
4. Step 4: Simplify right side
   2,162.78x = 3,951,265.25
5. Step 5: Solve for x
   x = 3,951,265.25/2,162.78
6. Step 6: Final answer
   x = 1,826.94