Finding the Fourth Proportional to 2,081.30, 3,122.76 and 1,106.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081.30 : 3,122.76 = 1,106.06 : x
2. Step 2: Convert to fraction form
   2,081.30/3,122.76 = 1,106.06/x
3. Step 3: Cross multiply
   2,081.30x = 3,122.76 × 1,106.06
4. Step 4: Simplify right side
   2,081.30x = 3,453,959.93
5. Step 5: Solve for x
   x = 3,453,959.93/2,081.30
6. Step 6: Final answer
   x = 1,659.52