Finding the Fourth Proportional to 10,751.69, 16,119.17 and 5,126.45

Step by Step Solution

1. Step 1: Write the proportion equation
   10,751.69 : 16,119.17 = 5,126.45 : x
2. Step 2: Convert to fraction form
   10,751.69/16,119.17 = 5,126.45/x
3. Step 3: Cross multiply
   10,751.69x = 16,119.17 × 5,126.45
4. Step 4: Simplify right side
   10,751.69x = 82,634,012.82
5. Step 5: Solve for x
   x = 82,634,012.82/10,751.69
6. Step 6: Final answer
   x = 7,685.68