Finding the Fourth Proportional to 22,141.74, 30,555.15 and 12,205.74

Step by Step Solution

1. Step 1: Write the proportion equation
   22,141.74 : 30,555.15 = 12,205.74 : x
2. Step 2: Convert to fraction form
   22,141.74/30,555.15 = 12,205.74/x
3. Step 3: Cross multiply
   22,141.74x = 30,555.15 × 12,205.74
4. Step 4: Simplify right side
   22,141.74x = 372,948,216.56
5. Step 5: Solve for x
   x = 372,948,216.56/22,141.74
6. Step 6: Final answer
   x = 16,843.67