Finding the Fourth Proportional to 12,001.43, 17,976.18 and 8,707.27

Step by Step Solution

1. Step 1: Write the proportion equation
   12,001.43 : 17,976.18 = 8,707.27 : x
2. Step 2: Convert to fraction form
   12,001.43/17,976.18 = 8,707.27/x
3. Step 3: Cross multiply
   12,001.43x = 17,976.18 × 8,707.27
4. Step 4: Simplify right side
   12,001.43x = 156,523,407.89
5. Step 5: Solve for x
   x = 156,523,407.89/12,001.43
6. Step 6: Final answer
   x = 13,042.06