Finding the Fourth Proportional to 1,627.42, 2,440.22 and 1,108.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,627.42 : 2,440.22 = 1,108.12 : x
2. Step 2: Convert to fraction form
   1,627.42/2,440.22 = 1,108.12/x
3. Step 3: Cross multiply
   1,627.42x = 2,440.22 × 1,108.12
4. Step 4: Simplify right side
   1,627.42x = 2,704,056.59
5. Step 5: Solve for x
   x = 2,704,056.59/1,627.42
6. Step 6: Final answer
   x = 1,661.56