Finding the Fourth Proportional to 22,673.12, 31,290.71 and 12,604.82

Step by Step Solution

1. Step 1: Write the proportion equation
   22,673.12 : 31,290.71 = 12,604.82 : x
2. Step 2: Convert to fraction form
   22,673.12/31,290.71 = 12,604.82/x
3. Step 3: Cross multiply
   22,673.12x = 31,290.71 × 12,604.82
4. Step 4: Simplify right side
   22,673.12x = 394,413,547.74
5. Step 5: Solve for x
   x = 394,413,547.74/22,673.12
6. Step 6: Final answer
   x = 17,395.65