Finding the Fourth Proportional to 22,212.80, 30,652.78 and 12,141.59

Step by Step Solution

1. Step 1: Write the proportion equation
   22,212.80 : 30,652.78 = 12,141.59 : x
2. Step 2: Convert to fraction form
   22,212.80/30,652.78 = 12,141.59/x
3. Step 3: Cross multiply
   22,212.80x = 30,652.78 × 12,141.59
4. Step 4: Simplify right side
   22,212.80x = 372,173,426.41
5. Step 5: Solve for x
   x = 372,173,426.41/22,212.80
6. Step 6: Final answer
   x = 16,754.91