Finding the Fourth Proportional to 2,340.37, 3,512.28 and 1,108.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,340.37 : 3,512.28 = 1,108.16 : x
2. Step 2: Convert to fraction form
   2,340.37/3,512.28 = 1,108.16/x
3. Step 3: Cross multiply
   2,340.37x = 3,512.28 × 1,108.16
4. Step 4: Simplify right side
   2,340.37x = 3,892,168.20
5. Step 5: Solve for x
   x = 3,892,168.20/2,340.37
6. Step 6: Final answer
   x = 1,663.06