Finding the Fourth Proportional to 2,273.67, 3,408.61 and 712.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,273.67 : 3,408.61 = 712.69 : x
2. Step 2: Convert to fraction form
   2,273.67/3,408.61 = 712.69/x
3. Step 3: Cross multiply
   2,273.67x = 3,408.61 × 712.69
4. Step 4: Simplify right side
   2,273.67x = 2,429,280.48
5. Step 5: Solve for x
   x = 2,429,280.48/2,273.67
6. Step 6: Final answer
   x = 1,068.44