Finding the Fourth Proportional to 12,086.26, 18,116.42 and 5,064.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,086.26 : 18,116.42 = 5,064.50 : x
2. Step 2: Convert to fraction form
   12,086.26/18,116.42 = 5,064.50/x
3. Step 3: Cross multiply
   12,086.26x = 18,116.42 × 5,064.50
4. Step 4: Simplify right side
   12,086.26x = 91,750,609.09
5. Step 5: Solve for x
   x = 91,750,609.09/12,086.26
6. Step 6: Final answer
   x = 7,591.32