Finding the Fourth Proportional to 10,818.10, 16,227.03 and 3,422.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,818.10 : 16,227.03 = 3,422.55 : x
2. Step 2: Convert to fraction form
   10,818.10/16,227.03 = 3,422.55/x
3. Step 3: Cross multiply
   10,818.10x = 16,227.03 × 3,422.55
4. Step 4: Simplify right side
   10,818.10x = 55,537,821.53
5. Step 5: Solve for x
   x = 55,537,821.53/10,818.10
6. Step 6: Final answer
   x = 5,133.79