Finding the Fourth Proportional to 2,661.72, 3,674.06 and 1,542.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,661.72 : 3,674.06 = 1,542.92 : x
2. Step 2: Convert to fraction form
   2,661.72/3,674.06 = 1,542.92/x
3. Step 3: Cross multiply
   2,661.72x = 3,674.06 × 1,542.92
4. Step 4: Simplify right side
   2,661.72x = 5,668,780.66
5. Step 5: Solve for x
   x = 5,668,780.66/2,661.72
6. Step 6: Final answer
   x = 2,129.74