Finding the Fourth Proportional to 7,016.86, 10,520.43 and 3,119.14

Step by Step Solution

1. Step 1: Write the proportion equation
   7,016.86 : 10,520.43 = 3,119.14 : x
2. Step 2: Convert to fraction form
   7,016.86/10,520.43 = 3,119.14/x
3. Step 3: Cross multiply
   7,016.86x = 10,520.43 × 3,119.14
4. Step 4: Simplify right side
   7,016.86x = 32,814,694.03
5. Step 5: Solve for x
   x = 32,814,694.03/7,016.86
6. Step 6: Final answer
   x = 4,676.55