Finding the Fourth Proportional to 1,456.56, 1,996.50 and 1,436.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456.56 : 1,996.50 = 1,436.06 : x
2. Step 2: Convert to fraction form
   1,456.56/1,996.50 = 1,436.06/x
3. Step 3: Cross multiply
   1,456.56x = 1,996.50 × 1,436.06
4. Step 4: Simplify right side
   1,456.56x = 2,867,078.42
5. Step 5: Solve for x
   x = 2,867,078.42/1,456.56
6. Step 6: Final answer
   x = 1,968.39