Finding the Fourth Proportional to 6,362.72, 8,780.23 and 3,529.87

Step by Step Solution

1. Step 1: Write the proportion equation
   6,362.72 : 8,780.23 = 3,529.87 : x
2. Step 2: Convert to fraction form
   6,362.72/8,780.23 = 3,529.87/x
3. Step 3: Cross multiply
   6,362.72x = 8,780.23 × 3,529.87
4. Step 4: Simplify right side
   6,362.72x = 30,993,070.47
5. Step 5: Solve for x
   x = 30,993,070.47/6,362.72
6. Step 6: Final answer
   x = 4,871.04