Finding the Fourth Proportional to 16,434, 24,660.72 and 7,073.76

Step by Step Solution

1. Step 1: Write the proportion equation
   16,434 : 24,660.72 = 7,073.76 : x
2. Step 2: Convert to fraction form
   16,434/24,660.72 = 7,073.76/x
3. Step 3: Cross multiply
   16,434x = 24,660.72 × 7,073.76
4. Step 4: Simplify right side
   16,434x = 174,444,014.71
5. Step 5: Solve for x
   x = 174,444,014.71/16,434
6. Step 6: Final answer
   x = 10,614.82