Finding the Fourth Proportional to 10,786.64, 16,179.82 and 5,887.49

Step by Step Solution

1. Step 1: Write the proportion equation
   10,786.64 : 16,179.82 = 5,887.49 : x
2. Step 2: Convert to fraction form
   10,786.64/16,179.82 = 5,887.49/x
3. Step 3: Cross multiply
   10,786.64x = 16,179.82 × 5,887.49
4. Step 4: Simplify right side
   10,786.64x = 95,258,432.83
5. Step 5: Solve for x
   x = 95,258,432.83/10,786.64
6. Step 6: Final answer
   x = 8,831.15