Finding the Fourth Proportional to 6,362.91, 8,780.82 and 3,530.19

Step by Step Solution

1. Step 1: Write the proportion equation
   6,362.91 : 8,780.82 = 3,530.19 : x
2. Step 2: Convert to fraction form
   6,362.91/8,780.82 = 3,530.19/x
3. Step 3: Cross multiply
   6,362.91x = 8,780.82 × 3,530.19
4. Step 4: Simplify right side
   6,362.91x = 30,997,962.96
5. Step 5: Solve for x
   x = 30,997,962.96/6,362.91
6. Step 6: Final answer
   x = 4,871.66