Finding the Fourth Proportional to 16,399.56, 24,600.78 and 5,306.52

Step by Step Solution

1. Step 1: Write the proportion equation
   16,399.56 : 24,600.78 = 5,306.52 : x
2. Step 2: Convert to fraction form
   16,399.56/24,600.78 = 5,306.52/x
3. Step 3: Cross multiply
   16,399.56x = 24,600.78 × 5,306.52
4. Step 4: Simplify right side
   16,399.56x = 130,544,531.09
5. Step 5: Solve for x
   x = 130,544,531.09/16,399.56
6. Step 6: Final answer
   x = 7,960.25