Finding the Fourth Proportional to 1,856.03, 2,561.31 and 1,016.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,856.03 : 2,561.31 = 1,016.73 : x
2. Step 2: Convert to fraction form
   1,856.03/2,561.31 = 1,016.73/x
3. Step 3: Cross multiply
   1,856.03x = 2,561.31 × 1,016.73
4. Step 4: Simplify right side
   1,856.03x = 2,604,153.69
5. Step 5: Solve for x
   x = 2,604,153.69/1,856.03
6. Step 6: Final answer
   x = 1,403.08