Finding the Fourth Proportional to 1,036.36, 1,553.46 and 711.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,036.36 : 1,553.46 = 711.82 : x
2. Step 2: Convert to fraction form
   1,036.36/1,553.46 = 711.82/x
3. Step 3: Cross multiply
   1,036.36x = 1,553.46 × 711.82
4. Step 4: Simplify right side
   1,036.36x = 1,105,783.90
5. Step 5: Solve for x
   x = 1,105,783.90/1,036.36
6. Step 6: Final answer
   x = 1,066.99