Finding the Fourth Proportional to 2,340.89, 3,511.92 and 1,107.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,340.89 : 3,511.92 = 1,107.97 : x
2. Step 2: Convert to fraction form
   2,340.89/3,511.92 = 1,107.97/x
3. Step 3: Cross multiply
   2,340.89x = 3,511.92 × 1,107.97
4. Step 4: Simplify right side
   2,340.89x = 3,891,087.76
5. Step 5: Solve for x
   x = 3,891,087.76/2,340.89
6. Step 6: Final answer
   x = 1,662.23