Finding the Fourth Proportional to 1,636.73, 2,453.69 and 711.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,636.73 : 2,453.69 = 711.58 : x
2. Step 2: Convert to fraction form
   1,636.73/2,453.69 = 711.58/x
3. Step 3: Cross multiply
   1,636.73x = 2,453.69 × 711.58
4. Step 4: Simplify right side
   1,636.73x = 1,745,996.73
5. Step 5: Solve for x
   x = 1,745,996.73/1,636.73
6. Step 6: Final answer
   x = 1,066.76