Finding the Fourth Proportional to 1,855.37, 2,782.25 and 700.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,855.37 : 2,782.25 = 700.31 : x
2. Step 2: Convert to fraction form
   1,855.37/2,782.25 = 700.31/x
3. Step 3: Cross multiply
   1,855.37x = 2,782.25 × 700.31
4. Step 4: Simplify right side
   1,855.37x = 1,948,443.58
5. Step 5: Solve for x
   x = 1,948,443.58/1,855.37
6. Step 6: Final answer
   x = 1,050.16