Finding the Fourth Proportional to 10,819.56, 16,229.82 and 5,277.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,819.56 : 16,229.82 = 5,277.48 : x
2. Step 2: Convert to fraction form
   10,819.56/16,229.82 = 5,277.48/x
3. Step 3: Cross multiply
   10,819.56x = 16,229.82 × 5,277.48
4. Step 4: Simplify right side
   10,819.56x = 85,652,550.45
5. Step 5: Solve for x
   x = 85,652,550.45/10,819.56
6. Step 6: Final answer
   x = 7,916.45