Finding the Fourth Proportional to 1,856.83, 2,563.36 and 1,436.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,856.83 : 2,563.36 = 1,436.23 : x
2. Step 2: Convert to fraction form
   1,856.83/2,563.36 = 1,436.23/x
3. Step 3: Cross multiply
   1,856.83x = 2,563.36 × 1,436.23
4. Step 4: Simplify right side
   1,856.83x = 3,681,561.72
5. Step 5: Solve for x
   x = 3,681,561.72/1,856.83
6. Step 6: Final answer
   x = 1,982.72