Finding the Fourth Proportional to 7,016.50, 10,524.52 and 2,086.21

Step by Step Solution

1. Step 1: Write the proportion equation
   7,016.50 : 10,524.52 = 2,086.21 : x
2. Step 2: Convert to fraction form
   7,016.50/10,524.52 = 2,086.21/x
3. Step 3: Cross multiply
   7,016.50x = 10,524.52 × 2,086.21
4. Step 4: Simplify right side
   7,016.50x = 21,956,358.87
5. Step 5: Solve for x
   x = 21,956,358.87/7,016.50
6. Step 6: Final answer
   x = 3,129.25