Finding the Fourth Proportional to 22,593.25, 31,178.69 and 12,657.25

Step by Step Solution

1. Step 1: Write the proportion equation
   22,593.25 : 31,178.69 = 12,657.25 : x
2. Step 2: Convert to fraction form
   22,593.25/31,178.69 = 12,657.25/x
3. Step 3: Cross multiply
   22,593.25x = 31,178.69 × 12,657.25
4. Step 4: Simplify right side
   22,593.25x = 394,636,474.00
5. Step 5: Solve for x
   x = 394,636,474.00/22,593.25
6. Step 6: Final answer
   x = 17,467.01