Finding the Fourth Proportional to 12,110.82, 18,168.86 and 5,086.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,110.82 : 18,168.86 = 5,086.83 : x
2. Step 2: Convert to fraction form
   12,110.82/18,168.86 = 5,086.83/x
3. Step 3: Cross multiply
   12,110.82x = 18,168.86 × 5,086.83
4. Step 4: Simplify right side
   12,110.82x = 92,421,846.70
5. Step 5: Solve for x
   x = 92,421,846.70/12,110.82
6. Step 6: Final answer
   x = 7,631.35