Finding the Fourth Proportional to 6,081.87, 8,387.71 and 3,956.62

Step by Step Solution

1. Step 1: Write the proportion equation
   6,081.87 : 8,387.71 = 3,956.62 : x
2. Step 2: Convert to fraction form
   6,081.87/8,387.71 = 3,956.62/x
3. Step 3: Cross multiply
   6,081.87x = 8,387.71 × 3,956.62
4. Step 4: Simplify right side
   6,081.87x = 33,186,981.14
5. Step 5: Solve for x
   x = 33,186,981.14/6,081.87
6. Step 6: Final answer
   x = 5,456.71