Finding the Fourth Proportional to 8,160.64, 12,228.18 and 5,959.24

Step by Step Solution

1. Step 1: Write the proportion equation
   8,160.64 : 12,228.18 = 5,959.24 : x
2. Step 2: Convert to fraction form
   8,160.64/12,228.18 = 5,959.24/x
3. Step 3: Cross multiply
   8,160.64x = 12,228.18 × 5,959.24
4. Step 4: Simplify right side
   8,160.64x = 72,870,659.38
5. Step 5: Solve for x
   x = 72,870,659.38/8,160.64
6. Step 6: Final answer
   x = 8,929.53