Finding the Fourth Proportional to 22,196.99, 30,630.51 and 12,123.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,196.99 : 30,630.51 = 12,123.42 : x
2. Step 2: Convert to fraction form
   22,196.99/30,630.51 = 12,123.42/x
3. Step 3: Cross multiply
   22,196.99x = 30,630.51 × 12,123.42
4. Step 4: Simplify right side
   22,196.99x = 371,346,537.54
5. Step 5: Solve for x
   x = 371,346,537.54/22,196.99
6. Step 6: Final answer
   x = 16,729.59