Finding the Fourth Proportional to 12,086.34, 18,132.32 and 3,765.92

Step by Step Solution

1. Step 1: Write the proportion equation
   12,086.34 : 18,132.32 = 3,765.92 : x
2. Step 2: Convert to fraction form
   12,086.34/18,132.32 = 3,765.92/x
3. Step 3: Cross multiply
   12,086.34x = 18,132.32 × 3,765.92
4. Step 4: Simplify right side
   12,086.34x = 68,284,866.53
5. Step 5: Solve for x
   x = 68,284,866.53/12,086.34
6. Step 6: Final answer
   x = 5,649.76