Finding the Fourth Proportional to 6,581.05, 9,081.52 and 3,927.49

Step by Step Solution

1. Step 1: Write the proportion equation
   6,581.05 : 9,081.52 = 3,927.49 : x
2. Step 2: Convert to fraction form
   6,581.05/9,081.52 = 3,927.49/x
3. Step 3: Cross multiply
   6,581.05x = 9,081.52 × 3,927.49
4. Step 4: Simplify right side
   6,581.05x = 35,667,546.46
5. Step 5: Solve for x
   x = 35,667,546.46/6,581.05
6. Step 6: Final answer
   x = 5,419.74