Finding the Fourth Proportional to 11,047.26, 16,568.31 and 7,086.54

Step by Step Solution

1. Step 1: Write the proportion equation
   11,047.26 : 16,568.31 = 7,086.54 : x
2. Step 2: Convert to fraction form
   11,047.26/16,568.31 = 7,086.54/x
3. Step 3: Cross multiply
   11,047.26x = 16,568.31 × 7,086.54
4. Step 4: Simplify right side
   11,047.26x = 117,411,991.55
5. Step 5: Solve for x
   x = 117,411,991.55/11,047.26
6. Step 6: Final answer
   x = 10,628.15