Finding the Fourth Proportional to 6,429.72, 8,872.38 and 3,633.24

Step by Step Solution

1. Step 1: Write the proportion equation
   6,429.72 : 8,872.38 = 3,633.24 : x
2. Step 2: Convert to fraction form
   6,429.72/8,872.38 = 3,633.24/x
3. Step 3: Cross multiply
   6,429.72x = 8,872.38 × 3,633.24
4. Step 4: Simplify right side
   6,429.72x = 32,235,485.91
5. Step 5: Solve for x
   x = 32,235,485.91/6,429.72
6. Step 6: Final answer
   x = 5,013.51