Finding the Fourth Proportional to 22,288.73, 30,758.76 and 13,336.61

Step by Step Solution

1. Step 1: Write the proportion equation
   22,288.73 : 30,758.76 = 13,336.61 : x
2. Step 2: Convert to fraction form
   22,288.73/30,758.76 = 13,336.61/x
3. Step 3: Cross multiply
   22,288.73x = 30,758.76 × 13,336.61
4. Step 4: Simplify right side
   22,288.73x = 410,217,432.41
5. Step 5: Solve for x
   x = 410,217,432.41/22,288.73
6. Step 6: Final answer
   x = 18,404.71