Finding the Fourth Proportional to 10,757.68, 16,128.52 and 4,519.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,757.68 : 16,128.52 = 4,519.52 : x
2. Step 2: Convert to fraction form
   10,757.68/16,128.52 = 4,519.52/x
3. Step 3: Cross multiply
   10,757.68x = 16,128.52 × 4,519.52
4. Step 4: Simplify right side
   10,757.68x = 72,893,168.71
5. Step 5: Solve for x
   x = 72,893,168.71/10,757.68
6. Step 6: Final answer
   x = 6,775.92