Finding the Fourth Proportional to 3,644.60, 5,469.61 and 2,709.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,644.60 : 5,469.61 = 2,709.69 : x
2. Step 2: Convert to fraction form
   3,644.60/5,469.61 = 2,709.69/x
3. Step 3: Cross multiply
   3,644.60x = 5,469.61 × 2,709.69
4. Step 4: Simplify right side
   3,644.60x = 14,820,947.52
5. Step 5: Solve for x
   x = 14,820,947.52/3,644.60
6. Step 6: Final answer
   x = 4,066.55