Finding the Fourth Proportional to 22,300.43, 33,453.88 and 11,906.51

Step by Step Solution

1. Step 1: Write the proportion equation
   22,300.43 : 33,453.88 = 11,906.51 : x
2. Step 2: Convert to fraction form
   22,300.43/33,453.88 = 11,906.51/x
3. Step 3: Cross multiply
   22,300.43x = 33,453.88 × 11,906.51
4. Step 4: Simplify right side
   22,300.43x = 398,318,759.72
5. Step 5: Solve for x
   x = 398,318,759.72/22,300.43
6. Step 6: Final answer
   x = 17,861.49