Finding the Fourth Proportional to 6,208.79, 8,568.86 and 3,557.05

Step by Step Solution

1. Step 1: Write the proportion equation
   6,208.79 : 8,568.86 = 3,557.05 : x
2. Step 2: Convert to fraction form
   6,208.79/8,568.86 = 3,557.05/x
3. Step 3: Cross multiply
   6,208.79x = 8,568.86 × 3,557.05
4. Step 4: Simplify right side
   6,208.79x = 30,479,824.26
5. Step 5: Solve for x
   x = 30,479,824.26/6,208.79
6. Step 6: Final answer
   x = 4,909.14