Finding the Fourth Proportional to 6,216.30, 8,579.48 and 3,698.52

Step by Step Solution

1. Step 1: Write the proportion equation
   6,216.30 : 8,579.48 = 3,698.52 : x
2. Step 2: Convert to fraction form
   6,216.30/8,579.48 = 3,698.52/x
3. Step 3: Cross multiply
   6,216.30x = 8,579.48 × 3,698.52
4. Step 4: Simplify right side
   6,216.30x = 31,731,378.37
5. Step 5: Solve for x
   x = 31,731,378.37/6,216.30
6. Step 6: Final answer
   x = 5,104.54