Finding the Fourth Proportional to 11,653.16, 16,086.72 and 6,871.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,653.16 : 16,086.72 = 6,871.52 : x
2. Step 2: Convert to fraction form
   11,653.16/16,086.72 = 6,871.52/x
3. Step 3: Cross multiply
   11,653.16x = 16,086.72 × 6,871.52
4. Step 4: Simplify right side
   11,653.16x = 110,540,284.20
5. Step 5: Solve for x
   x = 110,540,284.20/11,653.16
6. Step 6: Final answer
   x = 9,485.87