Finding the Fourth Proportional to 22,495.69, 31,042.48 and 12,424.04

Step by Step Solution

1. Step 1: Write the proportion equation
   22,495.69 : 31,042.48 = 12,424.04 : x
2. Step 2: Convert to fraction form
   22,495.69/31,042.48 = 12,424.04/x
3. Step 3: Cross multiply
   22,495.69x = 31,042.48 × 12,424.04
4. Step 4: Simplify right side
   22,495.69x = 385,673,013.22
5. Step 5: Solve for x
   x = 385,673,013.22/22,495.69
6. Step 6: Final answer
   x = 17,144.31