Finding the Fourth Proportional to 16,605.49, 22,914.67 and 9,531.45

Step by Step Solution

1. Step 1: Write the proportion equation
   16,605.49 : 22,914.67 = 9,531.45 : x
2. Step 2: Convert to fraction form
   16,605.49/22,914.67 = 9,531.45/x
3. Step 3: Cross multiply
   16,605.49x = 22,914.67 × 9,531.45
4. Step 4: Simplify right side
   16,605.49x = 218,410,031.37
5. Step 5: Solve for x
   x = 218,410,031.37/16,605.49
6. Step 6: Final answer
   x = 13,152.88