Finding the Fourth Proportional to 16,230.73, 22,398.53 and 9,516.49

Step by Step Solution

1. Step 1: Write the proportion equation
   16,230.73 : 22,398.53 = 9,516.49 : x
2. Step 2: Convert to fraction form
   16,230.73/22,398.53 = 9,516.49/x
3. Step 3: Cross multiply
   16,230.73x = 22,398.53 × 9,516.49
4. Step 4: Simplify right side
   16,230.73x = 213,155,283.18
5. Step 5: Solve for x
   x = 213,155,283.18/16,230.73
6. Step 6: Final answer
   x = 13,132.82