Finding the Fourth Proportional to 16,287.93, 22,479.76 and 10,320.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,287.93 : 22,479.76 = 10,320.16 : x
2. Step 2: Convert to fraction form
   16,287.93/22,479.76 = 10,320.16/x
3. Step 3: Cross multiply
   16,287.93x = 22,479.76 × 10,320.16
4. Step 4: Simplify right side
   16,287.93x = 231,994,607.56
5. Step 5: Solve for x
   x = 231,994,607.56/16,287.93
6. Step 6: Final answer
   x = 14,243.35