Finding the Fourth Proportional to 10,986.66, 16,487.28 and 5,796.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,986.66 : 16,487.28 = 5,796.18 : x
2. Step 2: Convert to fraction form
   10,986.66/16,487.28 = 5,796.18/x
3. Step 3: Cross multiply
   10,986.66x = 16,487.28 × 5,796.18
4. Step 4: Simplify right side
   10,986.66x = 95,563,242.59
5. Step 5: Solve for x
   x = 95,563,242.59/10,986.66
6. Step 6: Final answer
   x = 8,698.12