Finding the Fourth Proportional to 2,661.46, 3,672.66 and 1,542.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,661.46 : 3,672.66 = 1,542.22 : x
2. Step 2: Convert to fraction form
   2,661.46/3,672.66 = 1,542.22/x
3. Step 3: Cross multiply
   2,661.46x = 3,672.66 × 1,542.22
4. Step 4: Simplify right side
   2,661.46x = 5,664,049.71
5. Step 5: Solve for x
   x = 5,664,049.71/2,661.46
6. Step 6: Final answer
   x = 2,128.17