Finding the Fourth Proportional to 10,966.08, 16,451.55 and 5,119.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,966.08 : 16,451.55 = 5,119.50 : x
2. Step 2: Convert to fraction form
   10,966.08/16,451.55 = 5,119.50/x
3. Step 3: Cross multiply
   10,966.08x = 16,451.55 × 5,119.50
4. Step 4: Simplify right side
   10,966.08x = 84,223,710.23
5. Step 5: Solve for x
   x = 84,223,710.23/10,966.08
6. Step 6: Final answer
   x = 7,680.38