Finding the Fourth Proportional to 6,429.80, 8,872.50 and 3,635.24

Step by Step Solution

1. Step 1: Write the proportion equation
   6,429.80 : 8,872.50 = 3,635.24 : x
2. Step 2: Convert to fraction form
   6,429.80/8,872.50 = 3,635.24/x
3. Step 3: Cross multiply
   6,429.80x = 8,872.50 × 3,635.24
4. Step 4: Simplify right side
   6,429.80x = 32,253,666.90
5. Step 5: Solve for x
   x = 32,253,666.90/6,429.80
6. Step 6: Final answer
   x = 5,016.28