Finding the Fourth Proportional to 1,855.83, 2,561.06 and 1,016.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,855.83 : 2,561.06 = 1,016.55 : x
2. Step 2: Convert to fraction form
   1,855.83/2,561.06 = 1,016.55/x
3. Step 3: Cross multiply
   1,855.83x = 2,561.06 × 1,016.55
4. Step 4: Simplify right side
   1,855.83x = 2,603,445.54
5. Step 5: Solve for x
   x = 2,603,445.54/1,855.83
6. Step 6: Final answer
   x = 1,402.85