Finding the Fourth Proportional to 2,081.82, 2,872.27 and 1,253.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081.82 : 2,872.27 = 1,253.82 : x
2. Step 2: Convert to fraction form
   2,081.82/2,872.27 = 1,253.82/x
3. Step 3: Cross multiply
   2,081.82x = 2,872.27 × 1,253.82
4. Step 4: Simplify right side
   2,081.82x = 3,601,303.30
5. Step 5: Solve for x
   x = 3,601,303.30/2,081.82
6. Step 6: Final answer
   x = 1,729.88