Finding the Fourth Proportional to 1,855.98, 2,561.22 and 1,016.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,855.98 : 2,561.22 = 1,016.70 : x
2. Step 2: Convert to fraction form
   1,855.98/2,561.22 = 1,016.70/x
3. Step 3: Cross multiply
   1,855.98x = 2,561.22 × 1,016.70
4. Step 4: Simplify right side
   1,855.98x = 2,603,992.37
5. Step 5: Solve for x
   x = 2,603,992.37/1,855.98
6. Step 6: Final answer
   x = 1,403.03