Finding the Fourth Proportional to 1,852.57, 2,779.31 and 1,305.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,852.57 : 2,779.31 = 1,305.82 : x
2. Step 2: Convert to fraction form
   1,852.57/2,779.31 = 1,305.82/x
3. Step 3: Cross multiply
   1,852.57x = 2,779.31 × 1,305.82
4. Step 4: Simplify right side
   1,852.57x = 3,629,278.58
5. Step 5: Solve for x
   x = 3,629,278.58/1,852.57
6. Step 6: Final answer
   x = 1,959.05