Finding the Fourth Proportional to 2,269.59, 3,404.54 and 709.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,269.59 : 3,404.54 = 709.89 : x
2. Step 2: Convert to fraction form
   2,269.59/3,404.54 = 709.89/x
3. Step 3: Cross multiply
   2,269.59x = 3,404.54 × 709.89
4. Step 4: Simplify right side
   2,269.59x = 2,416,848.90
5. Step 5: Solve for x
   x = 2,416,848.90/2,269.59
6. Step 6: Final answer
   x = 1,064.88