Finding the Fourth Proportional to 16,284.78, 22,472.64 and 9,571.05

Step by Step Solution

1. Step 1: Write the proportion equation
   16,284.78 : 22,472.64 = 9,571.05 : x
2. Step 2: Convert to fraction form
   16,284.78/22,472.64 = 9,571.05/x
3. Step 3: Cross multiply
   16,284.78x = 22,472.64 × 9,571.05
4. Step 4: Simplify right side
   16,284.78x = 215,086,761.07
5. Step 5: Solve for x
   x = 215,086,761.07/16,284.78
6. Step 6: Final answer
   x = 13,207.84