Finding the Fourth Proportional to 13,012.95, 17,957.82 and 7,044.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,012.95 : 17,957.82 = 7,044.72 : x
2. Step 2: Convert to fraction form
   13,012.95/17,957.82 = 7,044.72/x
3. Step 3: Cross multiply
   13,012.95x = 17,957.82 × 7,044.72
4. Step 4: Simplify right side
   13,012.95x = 126,507,813.71
5. Step 5: Solve for x
   x = 126,507,813.71/13,012.95
6. Step 6: Final answer
   x = 9,721.69