Finding the Fourth Proportional to 1,404.12, 2,104.46 and 711.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.12 : 2,104.46 = 711.27 : x
2. Step 2: Convert to fraction form
   1,404.12/2,104.46 = 711.27/x
3. Step 3: Cross multiply
   1,404.12x = 2,104.46 × 711.27
4. Step 4: Simplify right side
   1,404.12x = 1,496,839.26
5. Step 5: Solve for x
   x = 1,496,839.26/1,404.12
6. Step 6: Final answer
   x = 1,066.03