Finding the Fourth Proportional to 22,265.50, 30,726.39 and 12,329.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,265.50 : 30,726.39 = 12,329.50 : x
2. Step 2: Convert to fraction form
   22,265.50/30,726.39 = 12,329.50/x
3. Step 3: Cross multiply
   22,265.50x = 30,726.39 × 12,329.50
4. Step 4: Simplify right side
   22,265.50x = 378,841,025.51
5. Step 5: Solve for x
   x = 378,841,025.51/22,265.50
6. Step 6: Final answer
   x = 17,014.71