Finding the Fourth Proportional to 22,195.32, 30,628.37 and 12,123.61

Step by Step Solution

1. Step 1: Write the proportion equation
   22,195.32 : 30,628.37 = 12,123.61 : x
2. Step 2: Convert to fraction form
   22,195.32/30,628.37 = 12,123.61/x
3. Step 3: Cross multiply
   22,195.32x = 30,628.37 × 12,123.61
4. Step 4: Simplify right side
   22,195.32x = 371,326,410.52
5. Step 5: Solve for x
   x = 371,326,410.52/22,195.32
6. Step 6: Final answer
   x = 16,729.94