Finding the Fourth Proportional to 12,251.22, 18,367.76 and 3,926.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,251.22 : 18,367.76 = 3,926.42 : x
2. Step 2: Convert to fraction form
   12,251.22/18,367.76 = 3,926.42/x
3. Step 3: Cross multiply
   12,251.22x = 18,367.76 × 3,926.42
4. Step 4: Simplify right side
   12,251.22x = 72,119,540.22
5. Step 5: Solve for x
   x = 72,119,540.22/12,251.22
6. Step 6: Final answer
   x = 5,886.72