Finding the Fourth Proportional to 3,897.36, 5,375.88 and 2,500.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,897.36 : 5,375.88 = 2,500.56 : x
2. Step 2: Convert to fraction form
   3,897.36/5,375.88 = 2,500.56/x
3. Step 3: Cross multiply
   3,897.36x = 5,375.88 × 2,500.56
4. Step 4: Simplify right side
   3,897.36x = 13,442,710.49
5. Step 5: Solve for x
   x = 13,442,710.49/3,897.36
6. Step 6: Final answer
   x = 3,449.18