Finding the Fourth Proportional to 22,608.29, 31,198.86 and 12,536.57

Step by Step Solution

1. Step 1: Write the proportion equation
   22,608.29 : 31,198.86 = 12,536.57 : x
2. Step 2: Convert to fraction form
   22,608.29/31,198.86 = 12,536.57/x
3. Step 3: Cross multiply
   22,608.29x = 31,198.86 × 12,536.57
4. Step 4: Simplify right side
   22,608.29x = 391,126,536.32
5. Step 5: Solve for x
   x = 391,126,536.32/22,608.29
6. Step 6: Final answer
   x = 17,300.14