Finding the Fourth Proportional to 22,162.26, 30,580.89 and 12,730.82

Step by Step Solution

1. Step 1: Write the proportion equation
   22,162.26 : 30,580.89 = 12,730.82 : x
2. Step 2: Convert to fraction form
   22,162.26/30,580.89 = 12,730.82/x
3. Step 3: Cross multiply
   22,162.26x = 30,580.89 × 12,730.82
4. Step 4: Simplify right side
   22,162.26x = 389,319,806.03
5. Step 5: Solve for x
   x = 389,319,806.03/22,162.26
6. Step 6: Final answer
   x = 17,566.79