Finding the Fourth Proportional to 2,152.10, 3,224.10 and 1,108.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152.10 : 3,224.10 = 1,108.55 : x
2. Step 2: Convert to fraction form
   2,152.10/3,224.10 = 1,108.55/x
3. Step 3: Cross multiply
   2,152.10x = 3,224.10 × 1,108.55
4. Step 4: Simplify right side
   2,152.10x = 3,574,076.06
5. Step 5: Solve for x
   x = 3,574,076.06/2,152.10
6. Step 6: Final answer
   x = 1,660.74