Finding the Fourth Proportional to 6,212.10, 8,570.73 and 3,559.05

Step by Step Solution

1. Step 1: Write the proportion equation
   6,212.10 : 8,570.73 = 3,559.05 : x
2. Step 2: Convert to fraction form
   6,212.10/8,570.73 = 3,559.05/x
3. Step 3: Cross multiply
   6,212.10x = 8,570.73 × 3,559.05
4. Step 4: Simplify right side
   6,212.10x = 30,503,656.61
5. Step 5: Solve for x
   x = 30,503,656.61/6,212.10
6. Step 6: Final answer
   x = 4,910.36