Finding the Fourth Proportional to 2,086.26, 3,125.28 and 1,305.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086.26 : 3,125.28 = 1,305.82 : x
2. Step 2: Convert to fraction form
   2,086.26/3,125.28 = 1,305.82/x
3. Step 3: Cross multiply
   2,086.26x = 3,125.28 × 1,305.82
4. Step 4: Simplify right side
   2,086.26x = 4,081,061.93
5. Step 5: Solve for x
   x = 4,081,061.93/2,086.26
6. Step 6: Final answer
   x = 1,956.17