Finding the Fourth Proportional to 6,210.77, 8,571.30 and 3,558.83

Step by Step Solution

1. Step 1: Write the proportion equation
   6,210.77 : 8,571.30 = 3,558.83 : x
2. Step 2: Convert to fraction form
   6,210.77/8,571.30 = 3,558.83/x
3. Step 3: Cross multiply
   6,210.77x = 8,571.30 × 3,558.83
4. Step 4: Simplify right side
   6,210.77x = 30,503,799.58
5. Step 5: Solve for x
   x = 30,503,799.58/6,210.77
6. Step 6: Final answer
   x = 4,911.44