Finding the Fourth Proportional to 13,012.84, 17,957.46 and 7,044.49

Step by Step Solution

1. Step 1: Write the proportion equation
   13,012.84 : 17,957.46 = 7,044.49 : x
2. Step 2: Convert to fraction form
   13,012.84/17,957.46 = 7,044.49/x
3. Step 3: Cross multiply
   13,012.84x = 17,957.46 × 7,044.49
4. Step 4: Simplify right side
   13,012.84x = 126,501,147.40
5. Step 5: Solve for x
   x = 126,501,147.40/13,012.84
6. Step 6: Final answer
   x = 9,721.26