Finding the Fourth Proportional to 12,110.94, 18,168.90 and 5,086.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,110.94 : 18,168.90 = 5,086.82 : x
2. Step 2: Convert to fraction form
   12,110.94/18,168.90 = 5,086.82/x
3. Step 3: Cross multiply
   12,110.94x = 18,168.90 × 5,086.82
4. Step 4: Simplify right side
   12,110.94x = 92,421,923.90
5. Step 5: Solve for x
   x = 92,421,923.90/12,110.94
6. Step 6: Final answer
   x = 7,631.28