Finding the Fourth Proportional to 3,920.82, 5,411.25 and 2,527.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,920.82 : 5,411.25 = 2,527.62 : x
2. Step 2: Convert to fraction form
   3,920.82/5,411.25 = 2,527.62/x
3. Step 3: Cross multiply
   3,920.82x = 5,411.25 × 2,527.62
4. Step 4: Simplify right side
   3,920.82x = 13,677,583.73
5. Step 5: Solve for x
   x = 13,677,583.73/3,920.82
6. Step 6: Final answer
   x = 3,488.45