Finding the Fourth Proportional to 13,012.55, 17,957.31 and 7,044.27

Step by Step Solution

1. Step 1: Write the proportion equation
   13,012.55 : 17,957.31 = 7,044.27 : x
2. Step 2: Convert to fraction form
   13,012.55/17,957.31 = 7,044.27/x
3. Step 3: Cross multiply
   13,012.55x = 17,957.31 × 7,044.27
4. Step 4: Simplify right side
   13,012.55x = 126,496,140.11
5. Step 5: Solve for x
   x = 126,496,140.11/13,012.55
6. Step 6: Final answer
   x = 9,721.09