Finding the Fourth Proportional to 6,429.76, 8,872.80 and 3,635.52

Step by Step Solution

1. Step 1: Write the proportion equation
   6,429.76 : 8,872.80 = 3,635.52 : x
2. Step 2: Convert to fraction form
   6,429.76/8,872.80 = 3,635.52/x
3. Step 3: Cross multiply
   6,429.76x = 8,872.80 × 3,635.52
4. Step 4: Simplify right side
   6,429.76x = 32,257,241.86
5. Step 5: Solve for x
   x = 32,257,241.86/6,429.76
6. Step 6: Final answer
   x = 5,016.87