Finding the Fourth Proportional to 1,856.97, 2,563.53 and 1,436.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,856.97 : 2,563.53 = 1,436.37 : x
2. Step 2: Convert to fraction form
   1,856.97/2,563.53 = 1,436.37/x
3. Step 3: Cross multiply
   1,856.97x = 2,563.53 × 1,436.37
4. Step 4: Simplify right side
   1,856.97x = 3,682,177.59
5. Step 5: Solve for x
   x = 3,682,177.59/1,856.97
6. Step 6: Final answer
   x = 1,982.90