Finding the Fourth Proportional to 16,233.69, 22,402.58 and 9,160.57

Step by Step Solution

1. Step 1: Write the proportion equation
   16,233.69 : 22,402.58 = 9,160.57 : x
2. Step 2: Convert to fraction form
   16,233.69/22,402.58 = 9,160.57/x
3. Step 3: Cross multiply
   16,233.69x = 22,402.58 × 9,160.57
4. Step 4: Simplify right side
   16,233.69x = 205,220,402.27
5. Step 5: Solve for x
   x = 205,220,402.27/16,233.69
6. Step 6: Final answer
   x = 12,641.64