Finding the Fourth Proportional to 16,605.82, 22,915.72 and 9,531.68

Step by Step Solution

1. Step 1: Write the proportion equation
   16,605.82 : 22,915.72 = 9,531.68 : x
2. Step 2: Convert to fraction form
   16,605.82/22,915.72 = 9,531.68/x
3. Step 3: Cross multiply
   16,605.82x = 22,915.72 × 9,531.68
4. Step 4: Simplify right side
   16,605.82x = 218,425,310.01
5. Step 5: Solve for x
   x = 218,425,310.01/16,605.82
6. Step 6: Final answer
   x = 13,153.54