Finding the Fourth Proportional to 1,404.03, 2,105.48 and 711.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.03 : 2,105.48 = 711.09 : x
2. Step 2: Convert to fraction form
   1,404.03/2,105.48 = 711.09/x
3. Step 3: Cross multiply
   1,404.03x = 2,105.48 × 711.09
4. Step 4: Simplify right side
   1,404.03x = 1,497,182.22
5. Step 5: Solve for x
   x = 1,497,182.22/1,404.03
6. Step 6: Final answer
   x = 1,066.35