Finding the Fourth Proportional to 8,271.46, 12,415.41 and 3,892

Step by Step Solution

1. Step 1: Write the proportion equation
   8,271.46 : 12,415.41 = 3,892 : x
2. Step 2: Convert to fraction form
   8,271.46/12,415.41 = 3,892/x
3. Step 3: Cross multiply
   8,271.46x = 12,415.41 × 3,892
4. Step 4: Simplify right side
   8,271.46x = 48,320,775.72
5. Step 5: Solve for x
   x = 48,320,775.72/8,271.46
6. Step 6: Final answer
   x = 5,841.87