Finding the Fourth Proportional to 22,109.94, 33,092.19 and 12,099.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,109.94 : 33,092.19 = 12,099.42 : x
2. Step 2: Convert to fraction form
   22,109.94/33,092.19 = 12,099.42/x
3. Step 3: Cross multiply
   22,109.94x = 33,092.19 × 12,099.42
4. Step 4: Simplify right side
   22,109.94x = 400,396,305.53
5. Step 5: Solve for x
   x = 400,396,305.53/22,109.94
6. Step 6: Final answer
   x = 18,109.33