Finding the Fourth Proportional to 2,757.21, 4,109.52 and 2,601.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,757.21 : 4,109.52 = 2,601.53 : x
2. Step 2: Convert to fraction form
   2,757.21/4,109.52 = 2,601.53/x
3. Step 3: Cross multiply
   2,757.21x = 4,109.52 × 2,601.53
4. Step 4: Simplify right side
   2,757.21x = 10,691,039.57
5. Step 5: Solve for x
   x = 10,691,039.57/2,757.21
6. Step 6: Final answer
   x = 3,877.48