Finding the Fourth Proportional to 1,836.98, 2,750.60 and 1,105.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,836.98 : 2,750.60 = 1,105.55 : x
2. Step 2: Convert to fraction form
   1,836.98/2,750.60 = 1,105.55/x
3. Step 3: Cross multiply
   1,836.98x = 2,750.60 × 1,105.55
4. Step 4: Simplify right side
   1,836.98x = 3,040,906.55
5. Step 5: Solve for x
   x = 3,040,906.55/1,836.98
6. Step 6: Final answer
   x = 1,655.39