Finding the Fourth Proportional to 2,681.72, 3,704.52 and 2,541.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,681.72 : 3,704.52 = 2,541.60 : x
2. Step 2: Convert to fraction form
   2,681.72/3,704.52 = 2,541.60/x
3. Step 3: Cross multiply
   2,681.72x = 3,704.52 × 2,541.60
4. Step 4: Simplify right side
   2,681.72x = 9,415,408.03
5. Step 5: Solve for x
   x = 9,415,408.03/2,681.72
6. Step 6: Final answer
   x = 3,510.96