Finding the Fourth Proportional to 1,843.56, 2,758.86 and 1,285.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,843.56 : 2,758.86 = 1,285.56 : x
2. Step 2: Convert to fraction form
   1,843.56/2,758.86 = 1,285.56/x
3. Step 3: Cross multiply
   1,843.56x = 2,758.86 × 1,285.56
4. Step 4: Simplify right side
   1,843.56x = 3,546,680.06
5. Step 5: Solve for x
   x = 3,546,680.06/1,843.56
6. Step 6: Final answer
   x = 1,923.82