Finding the Fourth Proportional to 8,592.05, 12,891.33 and 3,325.61

Step by Step Solution

1. Step 1: Write the proportion equation
   8,592.05 : 12,891.33 = 3,325.61 : x
2. Step 2: Convert to fraction form
   8,592.05/12,891.33 = 3,325.61/x
3. Step 3: Cross multiply
   8,592.05x = 12,891.33 × 3,325.61
4. Step 4: Simplify right side
   8,592.05x = 42,871,535.96
5. Step 5: Solve for x
   x = 42,871,535.96/8,592.05
6. Step 6: Final answer
   x = 4,989.67