Finding the Fourth Proportional to 2,661.27, 3,672.62 and 1,542.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,661.27 : 3,672.62 = 1,542.25 : x
2. Step 2: Convert to fraction form
   2,661.27/3,672.62 = 1,542.25/x
3. Step 3: Cross multiply
   2,661.27x = 3,672.62 × 1,542.25
4. Step 4: Simplify right side
   2,661.27x = 5,664,098.20
5. Step 5: Solve for x
   x = 5,664,098.20/2,661.27
6. Step 6: Final answer
   x = 2,128.34