Finding the Fourth Proportional to 2,661.03, 3,672.22 and 1,542.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,661.03 : 3,672.22 = 1,542.62 : x
2. Step 2: Convert to fraction form
   2,661.03/3,672.22 = 1,542.62/x
3. Step 3: Cross multiply
   2,661.03x = 3,672.22 × 1,542.62
4. Step 4: Simplify right side
   2,661.03x = 5,664,817.80
5. Step 5: Solve for x
   x = 5,664,817.80/2,661.03
6. Step 6: Final answer
   x = 2,128.81