Finding the Fourth Proportional to 22,191.94, 30,623.62 and 12,118.38

Step by Step Solution

1. Step 1: Write the proportion equation
   22,191.94 : 30,623.62 = 12,118.38 : x
2. Step 2: Convert to fraction form
   22,191.94/30,623.62 = 12,118.38/x
3. Step 3: Cross multiply
   22,191.94x = 30,623.62 × 12,118.38
4. Step 4: Simplify right side
   22,191.94x = 371,108,664.14
5. Step 5: Solve for x
   x = 371,108,664.14/22,191.94
6. Step 6: Final answer
   x = 16,722.68