Finding the Fourth Proportional to 2,789.58, 4,184.25 and 709.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,789.58 : 4,184.25 = 709.67 : x
2. Step 2: Convert to fraction form
   2,789.58/4,184.25 = 709.67/x
3. Step 3: Cross multiply
   2,789.58x = 4,184.25 × 709.67
4. Step 4: Simplify right side
   2,789.58x = 2,969,436.70
5. Step 5: Solve for x
   x = 2,969,436.70/2,789.58
6. Step 6: Final answer
   x = 1,064.47