Finding the Fourth Proportional to 16,557.33, 22,849 and 9,388.59

Step by Step Solution

1. Step 1: Write the proportion equation
   16,557.33 : 22,849 = 9,388.59 : x
2. Step 2: Convert to fraction form
   16,557.33/22,849 = 9,388.59/x
3. Step 3: Cross multiply
   16,557.33x = 22,849 × 9,388.59
4. Step 4: Simplify right side
   16,557.33x = 214,519,892.91
5. Step 5: Solve for x
   x = 214,519,892.91/16,557.33
6. Step 6: Final answer
   x = 12,956.19