Finding the Fourth Proportional to 16,605.90, 22,915.71 and 9,052.38

Step by Step Solution

1. Step 1: Write the proportion equation
   16,605.90 : 22,915.71 = 9,052.38 : x
2. Step 2: Convert to fraction form
   16,605.90/22,915.71 = 9,052.38/x
3. Step 3: Cross multiply
   16,605.90x = 22,915.71 × 9,052.38
4. Step 4: Simplify right side
   16,605.90x = 207,441,714.89
5. Step 5: Solve for x
   x = 207,441,714.89/16,605.90
6. Step 6: Final answer
   x = 12,492.05