Finding the Fourth Proportional to 22,905.26, 31,608.37 and 12,833.19

Step by Step Solution

1. Step 1: Write the proportion equation
   22,905.26 : 31,608.37 = 12,833.19 : x
2. Step 2: Convert to fraction form
   22,905.26/31,608.37 = 12,833.19/x
3. Step 3: Cross multiply
   22,905.26x = 31,608.37 × 12,833.19
4. Step 4: Simplify right side
   22,905.26x = 405,636,185.72
5. Step 5: Solve for x
   x = 405,636,185.72/22,905.26
6. Step 6: Final answer
   x = 17,709.31