Finding the Fourth Proportional to 2,275.09, 3,411.23 and 2,081.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,275.09 : 3,411.23 = 2,081.73 : x
2. Step 2: Convert to fraction form
   2,275.09/3,411.23 = 2,081.73/x
3. Step 3: Cross multiply
   2,275.09x = 3,411.23 × 2,081.73
4. Step 4: Simplify right side
   2,275.09x = 7,101,259.83
5. Step 5: Solve for x
   x = 7,101,259.83/2,275.09
6. Step 6: Final answer
   x = 3,121.31