Finding the Fourth Proportional to 16,229.43, 22,396.64 and 9,156.51

Step by Step Solution

1. Step 1: Write the proportion equation
   16,229.43 : 22,396.64 = 9,156.51 : x
2. Step 2: Convert to fraction form
   16,229.43/22,396.64 = 9,156.51/x
3. Step 3: Cross multiply
   16,229.43x = 22,396.64 × 9,156.51
4. Step 4: Simplify right side
   16,229.43x = 205,075,012.34
5. Step 5: Solve for x
   x = 205,075,012.34/16,229.43
6. Step 6: Final answer
   x = 12,636.00