Finding the Fourth Proportional to 16,227.84, 22,394.56 and 9,513.60

Step by Step Solution

1. Step 1: Write the proportion equation
   16,227.84 : 22,394.56 = 9,513.60 : x
2. Step 2: Convert to fraction form
   16,227.84/22,394.56 = 9,513.60/x
3. Step 3: Cross multiply
   16,227.84x = 22,394.56 × 9,513.60
4. Step 4: Simplify right side
   16,227.84x = 213,052,886.02
5. Step 5: Solve for x
   x = 213,052,886.02/16,227.84
6. Step 6: Final answer
   x = 13,128.85