Finding the Fourth Proportional to 10,819.01, 16,229.12 and 5,277.09

Step by Step Solution

1. Step 1: Write the proportion equation
   10,819.01 : 16,229.12 = 5,277.09 : x
2. Step 2: Convert to fraction form
   10,819.01/16,229.12 = 5,277.09/x
3. Step 3: Cross multiply
   10,819.01x = 16,229.12 × 5,277.09
4. Step 4: Simplify right side
   10,819.01x = 85,642,500.48
5. Step 5: Solve for x
   x = 85,642,500.48/10,819.01
6. Step 6: Final answer
   x = 7,915.93