Finding the Fourth Proportional to 10,819.84, 16,222.78 and 4,246.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,819.84 : 16,222.78 = 4,246.69 : x
2. Step 2: Convert to fraction form
   10,819.84/16,222.78 = 4,246.69/x
3. Step 3: Cross multiply
   10,819.84x = 16,222.78 × 4,246.69
4. Step 4: Simplify right side
   10,819.84x = 68,893,015.25
5. Step 5: Solve for x
   x = 68,893,015.25/10,819.84
6. Step 6: Final answer
   x = 6,367.29