Finding the Fourth Proportional to 22,194.43, 30,628.55 and 12,123.16

Step by Step Solution

1. Step 1: Write the proportion equation
   22,194.43 : 30,628.55 = 12,123.16 : x
2. Step 2: Convert to fraction form
   22,194.43/30,628.55 = 12,123.16/x
3. Step 3: Cross multiply
   22,194.43x = 30,628.55 × 12,123.16
4. Step 4: Simplify right side
   22,194.43x = 371,314,812.22
5. Step 5: Solve for x
   x = 371,314,812.22/22,194.43
6. Step 6: Final answer
   x = 16,730.09