Finding the Fourth Proportional to 16,653.84, 22,981.61 and 9,100.43

Step by Step Solution

1. Step 1: Write the proportion equation
   16,653.84 : 22,981.61 = 9,100.43 : x
2. Step 2: Convert to fraction form
   16,653.84/22,981.61 = 9,100.43/x
3. Step 3: Cross multiply
   16,653.84x = 22,981.61 × 9,100.43
4. Step 4: Simplify right side
   16,653.84x = 209,142,418.18
5. Step 5: Solve for x
   x = 209,142,418.18/16,653.84
6. Step 6: Final answer
   x = 12,558.21