Finding the Fourth Proportional to 12,086.78, 18,133.22 and 5,849.78

Step by Step Solution

1. Step 1: Write the proportion equation
   12,086.78 : 18,133.22 = 5,849.78 : x
2. Step 2: Convert to fraction form
   12,086.78/18,133.22 = 5,849.78/x
3. Step 3: Cross multiply
   12,086.78x = 18,133.22 × 5,849.78
4. Step 4: Simplify right side
   12,086.78x = 106,075,271.65
5. Step 5: Solve for x
   x = 106,075,271.65/12,086.78
6. Step 6: Final answer
   x = 8,776.14