Finding the Fourth Proportional to 8,086.99, 12,126.18 and 2,538.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,086.99 : 12,126.18 = 2,538.82 : x
2. Step 2: Convert to fraction form
   8,086.99/12,126.18 = 2,538.82/x
3. Step 3: Cross multiply
   8,086.99x = 12,126.18 × 2,538.82
4. Step 4: Simplify right side
   8,086.99x = 30,786,188.31
5. Step 5: Solve for x
   x = 30,786,188.31/8,086.99
6. Step 6: Final answer
   x = 3,806.88