Finding the Fourth Proportional to 3,897.72, 5,850.63 and 2,167.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,897.72 : 5,850.63 = 2,167.56 : x
2. Step 2: Convert to fraction form
   3,897.72/5,850.63 = 2,167.56/x
3. Step 3: Cross multiply
   3,897.72x = 5,850.63 × 2,167.56
4. Step 4: Simplify right side
   3,897.72x = 12,681,591.56
5. Step 5: Solve for x
   x = 12,681,591.56/3,897.72
6. Step 6: Final answer
   x = 3,253.59