Finding the Fourth Proportional to 22,144.60, 30,559.37 and 12,072.86

Step by Step Solution

1. Step 1: Write the proportion equation
   22,144.60 : 30,559.37 = 12,072.86 : x
2. Step 2: Convert to fraction form
   22,144.60/30,559.37 = 12,072.86/x
3. Step 3: Cross multiply
   22,144.60x = 30,559.37 × 12,072.86
4. Step 4: Simplify right side
   22,144.60x = 368,938,858.94
5. Step 5: Solve for x
   x = 368,938,858.94/22,144.60
6. Step 6: Final answer
   x = 16,660.44