Finding the Fourth Proportional to 10,227.90, 14,105.67 and 7,986.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,227.90 : 14,105.67 = 7,986.30 : x
2. Step 2: Convert to fraction form
   10,227.90/14,105.67 = 7,986.30/x
3. Step 3: Cross multiply
   10,227.90x = 14,105.67 × 7,986.30
4. Step 4: Simplify right side
   10,227.90x = 112,652,112.32
5. Step 5: Solve for x
   x = 112,652,112.32/10,227.90
6. Step 6: Final answer
   x = 11,014.20