Finding the Fourth Proportional to 6,584.96, 9,087.42 and 3,933.90

Step by Step Solution

1. Step 1: Write the proportion equation
   6,584.96 : 9,087.42 = 3,933.90 : x
2. Step 2: Convert to fraction form
   6,584.96/9,087.42 = 3,933.90/x
3. Step 3: Cross multiply
   6,584.96x = 9,087.42 × 3,933.90
4. Step 4: Simplify right side
   6,584.96x = 35,749,016.29
5. Step 5: Solve for x
   x = 35,749,016.29/6,584.96
6. Step 6: Final answer
   x = 5,428.89