Finding the Fourth Proportional to 13,012.98, 17,957.76 and 7,044.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,012.98 : 17,957.76 = 7,044.52 : x
2. Step 2: Convert to fraction form
   13,012.98/17,957.76 = 7,044.52/x
3. Step 3: Cross multiply
   13,012.98x = 17,957.76 × 7,044.52
4. Step 4: Simplify right side
   13,012.98x = 126,503,709.69
5. Step 5: Solve for x
   x = 126,503,709.69/13,012.98
6. Step 6: Final answer
   x = 9,721.35