Finding the Fourth Proportional to 2,081.98, 3,123.88 and 1,106.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081.98 : 3,123.88 = 1,106.94 : x
2. Step 2: Convert to fraction form
   2,081.98/3,123.88 = 1,106.94/x
3. Step 3: Cross multiply
   2,081.98x = 3,123.88 × 1,106.94
4. Step 4: Simplify right side
   2,081.98x = 3,457,947.73
5. Step 5: Solve for x
   x = 3,457,947.73/2,081.98
6. Step 6: Final answer
   x = 1,660.89