Finding the Fourth Proportional to 16,115.76, 24,171.57 and 4,429.89

Step by Step Solution

1. Step 1: Write the proportion equation
   16,115.76 : 24,171.57 = 4,429.89 : x
2. Step 2: Convert to fraction form
   16,115.76/24,171.57 = 4,429.89/x
3. Step 3: Cross multiply
   16,115.76x = 24,171.57 × 4,429.89
4. Step 4: Simplify right side
   16,115.76x = 107,077,396.23
5. Step 5: Solve for x
   x = 107,077,396.23/16,115.76
6. Step 6: Final answer
   x = 6,644.27