Finding the Fourth Proportional to 2,162.42, 2,984.21 and 1,323.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,162.42 : 2,984.21 = 1,323.50 : x
2. Step 2: Convert to fraction form
   2,162.42/2,984.21 = 1,323.50/x
3. Step 3: Cross multiply
   2,162.42x = 2,984.21 × 1,323.50
4. Step 4: Simplify right side
   2,162.42x = 3,949,601.94
5. Step 5: Solve for x
   x = 3,949,601.94/2,162.42
6. Step 6: Final answer
   x = 1,826.47