Finding the Fourth Proportional to 22,669.22, 31,285.50 and 13,240.82

Step by Step Solution

1. Step 1: Write the proportion equation
   22,669.22 : 31,285.50 = 13,240.82 : x
2. Step 2: Convert to fraction form
   22,669.22/31,285.50 = 13,240.82/x
3. Step 3: Cross multiply
   22,669.22x = 31,285.50 × 13,240.82
4. Step 4: Simplify right side
   22,669.22x = 414,245,674.11
5. Step 5: Solve for x
   x = 414,245,674.11/22,669.22
6. Step 6: Final answer
   x = 18,273.49