Finding the Fourth Proportional to 3,551.35, 4,894.73 and 2,665.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,551.35 : 4,894.73 = 2,665.61 : x
2. Step 2: Convert to fraction form
   3,551.35/4,894.73 = 2,665.61/x
3. Step 3: Cross multiply
   3,551.35x = 4,894.73 × 2,665.61
4. Step 4: Simplify right side
   3,551.35x = 13,047,441.24
5. Step 5: Solve for x
   x = 13,047,441.24/3,551.35
6. Step 6: Final answer
   x = 3,673.94