Finding the Fourth Proportional to 22,607.76, 31,197.86 and 12,536.38

Step by Step Solution

1. Step 1: Write the proportion equation
   22,607.76 : 31,197.86 = 12,536.38 : x
2. Step 2: Convert to fraction form
   22,607.76/31,197.86 = 12,536.38/x
3. Step 3: Cross multiply
   22,607.76x = 31,197.86 × 12,536.38
4. Step 4: Simplify right side
   22,607.76x = 391,108,228.15
5. Step 5: Solve for x
   x = 391,108,228.15/22,607.76
6. Step 6: Final answer
   x = 17,299.73