Finding the Fourth Proportional to 1,404.56, 2,104.11 and 709.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.56 : 2,104.11 = 709.18 : x
2. Step 2: Convert to fraction form
   1,404.56/2,104.11 = 709.18/x
3. Step 3: Cross multiply
   1,404.56x = 2,104.11 × 709.18
4. Step 4: Simplify right side
   1,404.56x = 1,492,187.47
5. Step 5: Solve for x
   x = 1,492,187.47/1,404.56
6. Step 6: Final answer
   x = 1,062.39