Finding the Fourth Proportional to 2,660.69, 3,671.57 and 1,541.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,660.69 : 3,671.57 = 1,541.54 : x
2. Step 2: Convert to fraction form
   2,660.69/3,671.57 = 1,541.54/x
3. Step 3: Cross multiply
   2,660.69x = 3,671.57 × 1,541.54
4. Step 4: Simplify right side
   2,660.69x = 5,659,872.02
5. Step 5: Solve for x
   x = 5,659,872.02/2,660.69
6. Step 6: Final answer
   x = 2,127.22