Finding the Fourth Proportional to 16,245.81, 24,369.59 and 5,151.69

Step by Step Solution

1. Step 1: Write the proportion equation
   16,245.81 : 24,369.59 = 5,151.69 : x
2. Step 2: Convert to fraction form
   16,245.81/24,369.59 = 5,151.69/x
3. Step 3: Cross multiply
   16,245.81x = 24,369.59 × 5,151.69
4. Step 4: Simplify right side
   16,245.81x = 125,544,573.11
5. Step 5: Solve for x
   x = 125,544,573.11/16,245.81
6. Step 6: Final answer
   x = 7,727.81