Finding the Fourth Proportional to 22,141.26, 30,555 and 12,069.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,141.26 : 30,555 = 12,069.72 : x
2. Step 2: Convert to fraction form
   22,141.26/30,555 = 12,069.72/x
3. Step 3: Cross multiply
   22,141.26x = 30,555 × 12,069.72
4. Step 4: Simplify right side
   22,141.26x = 368,790,294.60
5. Step 5: Solve for x
   x = 368,790,294.60/22,141.26
6. Step 6: Final answer
   x = 16,656.25