Finding the Fourth Proportional to 6,216.86, 8,577.56 and 3,564.12

Step by Step Solution

1. Step 1: Write the proportion equation
   6,216.86 : 8,577.56 = 3,564.12 : x
2. Step 2: Convert to fraction form
   6,216.86/8,577.56 = 3,564.12/x
3. Step 3: Cross multiply
   6,216.86x = 8,577.56 × 3,564.12
4. Step 4: Simplify right side
   6,216.86x = 30,571,453.15
5. Step 5: Solve for x
   x = 30,571,453.15/6,216.86
6. Step 6: Final answer
   x = 4,917.51