Finding the Fourth Proportional to 16,510.68, 22,786.31 and 9,435.73

Step by Step Solution

1. Step 1: Write the proportion equation
   16,510.68 : 22,786.31 = 9,435.73 : x
2. Step 2: Convert to fraction form
   16,510.68/22,786.31 = 9,435.73/x
3. Step 3: Cross multiply
   16,510.68x = 22,786.31 × 9,435.73
4. Step 4: Simplify right side
   16,510.68x = 215,005,468.86
5. Step 5: Solve for x
   x = 215,005,468.86/16,510.68
6. Step 6: Final answer
   x = 13,022.21