Finding the Fourth Proportional to 16,653.43, 22,981.05 and 9,100.02

Step by Step Solution

1. Step 1: Write the proportion equation
   16,653.43 : 22,981.05 = 9,100.02 : x
2. Step 2: Convert to fraction form
   16,653.43/22,981.05 = 9,100.02/x
3. Step 3: Cross multiply
   16,653.43x = 22,981.05 × 9,100.02
4. Step 4: Simplify right side
   16,653.43x = 209,128,100.80
5. Step 5: Solve for x
   x = 209,128,100.80/16,653.43
6. Step 6: Final answer
   x = 12,557.66