Finding the Fourth Proportional to 2,269.60, 3,404.28 and 709.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,269.60 : 3,404.28 = 709.43 : x
2. Step 2: Convert to fraction form
   2,269.60/3,404.28 = 709.43/x
3. Step 3: Cross multiply
   2,269.60x = 3,404.28 × 709.43
4. Step 4: Simplify right side
   2,269.60x = 2,415,087.72
5. Step 5: Solve for x
   x = 2,415,087.72/2,269.60
6. Step 6: Final answer
   x = 1,064.10