Finding the Fourth Proportional to 13,012.76, 17,957.57 and 7,044.54

Step by Step Solution

1. Step 1: Write the proportion equation
   13,012.76 : 17,957.57 = 7,044.54 : x
2. Step 2: Convert to fraction form
   13,012.76/17,957.57 = 7,044.54/x
3. Step 3: Cross multiply
   13,012.76x = 17,957.57 × 7,044.54
4. Step 4: Simplify right side
   13,012.76x = 126,502,820.17
5. Step 5: Solve for x
   x = 126,502,820.17/13,012.76
6. Step 6: Final answer
   x = 9,721.44