Finding the Fourth Proportional to 13,180.26, 19,738.38 and 7,248.09

Step by Step Solution

1. Step 1: Write the proportion equation
   13,180.26 : 19,738.38 = 7,248.09 : x
2. Step 2: Convert to fraction form
   13,180.26/19,738.38 = 7,248.09/x
3. Step 3: Cross multiply
   13,180.26x = 19,738.38 × 7,248.09
4. Step 4: Simplify right side
   13,180.26x = 143,065,554.69
5. Step 5: Solve for x
   x = 143,065,554.69/13,180.26
6. Step 6: Final answer
   x = 10,854.53