Finding the Fourth Proportional to 1,404.33, 2,107.77 and 711.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.33 : 2,107.77 = 711.46 : x
2. Step 2: Convert to fraction form
   1,404.33/2,107.77 = 711.46/x
3. Step 3: Cross multiply
   1,404.33x = 2,107.77 × 711.46
4. Step 4: Simplify right side
   1,404.33x = 1,499,594.04
5. Step 5: Solve for x
   x = 1,499,594.04/1,404.33
6. Step 6: Final answer
   x = 1,067.84