Finding the Fourth Proportional to 22,608.82, 31,198.64 and 12,536.89

Step by Step Solution

1. Step 1: Write the proportion equation
   22,608.82 : 31,198.64 = 12,536.89 : x
2. Step 2: Convert to fraction form
   22,608.82/31,198.64 = 12,536.89/x
3. Step 3: Cross multiply
   22,608.82x = 31,198.64 × 12,536.89
4. Step 4: Simplify right side
   22,608.82x = 391,133,761.84
5. Step 5: Solve for x
   x = 391,133,761.84/22,608.82
6. Step 6: Final answer
   x = 17,300.06