Finding the Fourth Proportional to 7,016.90, 10,527.12 and 2,086.43

Step by Step Solution

1. Step 1: Write the proportion equation
   7,016.90 : 10,527.12 = 2,086.43 : x
2. Step 2: Convert to fraction form
   7,016.90/10,527.12 = 2,086.43/x
3. Step 3: Cross multiply
   7,016.90x = 10,527.12 × 2,086.43
4. Step 4: Simplify right side
   7,016.90x = 21,964,046.35
5. Step 5: Solve for x
   x = 21,964,046.35/7,016.90
6. Step 6: Final answer
   x = 3,130.17