Finding the Fourth Proportional to 22,606.69, 31,197.61 and 12,535.55

Step by Step Solution

1. Step 1: Write the proportion equation
   22,606.69 : 31,197.61 = 12,535.55 : x
2. Step 2: Convert to fraction form
   22,606.69/31,197.61 = 12,535.55/x
3. Step 3: Cross multiply
   22,606.69x = 31,197.61 × 12,535.55
4. Step 4: Simplify right side
   22,606.69x = 391,079,281.68
5. Step 5: Solve for x
   x = 391,079,281.68/22,606.69
6. Step 6: Final answer
   x = 17,299.27