Finding the Fourth Proportional to 6,219.02, 8,581.82 and 3,530.30

Step by Step Solution

1. Step 1: Write the proportion equation
   6,219.02 : 8,581.82 = 3,530.30 : x
2. Step 2: Convert to fraction form
   6,219.02/8,581.82 = 3,530.30/x
3. Step 3: Cross multiply
   6,219.02x = 8,581.82 × 3,530.30
4. Step 4: Simplify right side
   6,219.02x = 30,296,338.59
5. Step 5: Solve for x
   x = 30,296,338.59/6,219.02
6. Step 6: Final answer
   x = 4,871.56