Finding the Fourth Proportional to 16,645.43, 22,963.56 and 9,570.35

Step by Step Solution

1. Step 1: Write the proportion equation
   16,645.43 : 22,963.56 = 9,570.35 : x
2. Step 2: Convert to fraction form
   16,645.43/22,963.56 = 9,570.35/x
3. Step 3: Cross multiply
   16,645.43x = 22,963.56 × 9,570.35
4. Step 4: Simplify right side
   16,645.43x = 219,769,306.45
5. Step 5: Solve for x
   x = 219,769,306.45/16,645.43
6. Step 6: Final answer
   x = 13,202.98