Finding the Fourth Proportional to 10,818.47, 16,229.38 and 3,422.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,818.47 : 16,229.38 = 3,422.22 : x
2. Step 2: Convert to fraction form
   10,818.47/16,229.38 = 3,422.22/x
3. Step 3: Cross multiply
   10,818.47x = 16,229.38 × 3,422.22
4. Step 4: Simplify right side
   10,818.47x = 55,540,508.82
5. Step 5: Solve for x
   x = 55,540,508.82/10,818.47
6. Step 6: Final answer
   x = 5,133.86