Finding the Fourth Proportional to 9,150.56, 13,725.60 and 2,576.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,150.56 : 13,725.60 = 2,576.72 : x
2. Step 2: Convert to fraction form
   9,150.56/13,725.60 = 2,576.72/x
3. Step 3: Cross multiply
   9,150.56x = 13,725.60 × 2,576.72
4. Step 4: Simplify right side
   9,150.56x = 35,367,028.03
5. Step 5: Solve for x
   x = 35,367,028.03/9,150.56
6. Step 6: Final answer
   x = 3,865.01