Finding the Fourth Proportional to 3,917.35, 5,404.35 and 2,659.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,917.35 : 5,404.35 = 2,659.69 : x
2. Step 2: Convert to fraction form
   3,917.35/5,404.35 = 2,659.69/x
3. Step 3: Cross multiply
   3,917.35x = 5,404.35 × 2,659.69
4. Step 4: Simplify right side
   3,917.35x = 14,373,895.65
5. Step 5: Solve for x
   x = 14,373,895.65/3,917.35
6. Step 6: Final answer
   x = 3,669.29