Finding the Fourth Proportional to 2,661.91, 3,673.35 and 1,542.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,661.91 : 3,673.35 = 1,542.75 : x
2. Step 2: Convert to fraction form
   2,661.91/3,673.35 = 1,542.75/x
3. Step 3: Cross multiply
   2,661.91x = 3,673.35 × 1,542.75
4. Step 4: Simplify right side
   2,661.91x = 5,667,046.94
5. Step 5: Solve for x
   x = 5,667,046.94/2,661.91
6. Step 6: Final answer
   x = 2,128.94