Finding the Fourth Proportional to 1,404.79, 2,105.04 and 709.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.79 : 2,105.04 = 709.51 : x
2. Step 2: Convert to fraction form
   1,404.79/2,105.04 = 709.51/x
3. Step 3: Cross multiply
   1,404.79x = 2,105.04 × 709.51
4. Step 4: Simplify right side
   1,404.79x = 1,493,546.93
5. Step 5: Solve for x
   x = 1,493,546.93/1,404.79
6. Step 6: Final answer
   x = 1,063.18