Finding the Fourth Proportional to 16,653.14, 22,981.06 and 9,099.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16,653.14 : 22,981.06 = 9,099.31 : x
2. Step 2: Convert to fraction form
   16,653.14/22,981.06 = 9,099.31/x
3. Step 3: Cross multiply
   16,653.14x = 22,981.06 × 9,099.31
4. Step 4: Simplify right side
   16,653.14x = 209,111,628.67
5. Step 5: Solve for x
   x = 209,111,628.67/16,653.14
6. Step 6: Final answer
   x = 12,556.89