Finding the Fourth Proportional to 2,109.22, 2,911.07 and 1,323.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109.22 : 2,911.07 = 1,323.38 : x
2. Step 2: Convert to fraction form
   2,109.22/2,911.07 = 1,323.38/x
3. Step 3: Cross multiply
   2,109.22x = 2,911.07 × 1,323.38
4. Step 4: Simplify right side
   2,109.22x = 3,852,451.82
5. Step 5: Solve for x
   x = 3,852,451.82/2,109.22
6. Step 6: Final answer
   x = 1,826.48