Finding the Fourth Proportional to 10,819.39, 16,233.72 and 3,424.45

Step by Step Solution

1. Step 1: Write the proportion equation
   10,819.39 : 16,233.72 = 3,424.45 : x
2. Step 2: Convert to fraction form
   10,819.39/16,233.72 = 3,424.45/x
3. Step 3: Cross multiply
   10,819.39x = 16,233.72 × 3,424.45
4. Step 4: Simplify right side
   10,819.39x = 55,591,562.45
5. Step 5: Solve for x
   x = 55,591,562.45/10,819.39
6. Step 6: Final answer
   x = 5,138.14