Finding the Fourth Proportional to 2,083.41, 3,121.52 and 1,106.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,083.41 : 3,121.52 = 1,106.55 : x
2. Step 2: Convert to fraction form
   2,083.41/3,121.52 = 1,106.55/x
3. Step 3: Cross multiply
   2,083.41x = 3,121.52 × 1,106.55
4. Step 4: Simplify right side
   2,083.41x = 3,454,112.42
5. Step 5: Solve for x
   x = 3,454,112.42/2,083.41
6. Step 6: Final answer
   x = 1,657.91