Finding the Fourth Proportional to 2,340.87, 3,512.34 and 1,109.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,340.87 : 3,512.34 = 1,109.16 : x
2. Step 2: Convert to fraction form
   2,340.87/3,512.34 = 1,109.16/x
3. Step 3: Cross multiply
   2,340.87x = 3,512.34 × 1,109.16
4. Step 4: Simplify right side
   2,340.87x = 3,895,747.03
5. Step 5: Solve for x
   x = 3,895,747.03/2,340.87
6. Step 6: Final answer
   x = 1,664.23