Finding the Fourth Proportional to 13,016.90, 17,963.24 and 7,048.49

Step by Step Solution

1. Step 1: Write the proportion equation
   13,016.90 : 17,963.24 = 7,048.49 : x
2. Step 2: Convert to fraction form
   13,016.90/17,963.24 = 7,048.49/x
3. Step 3: Cross multiply
   13,016.90x = 17,963.24 × 7,048.49
4. Step 4: Simplify right side
   13,016.90x = 126,613,592.45
5. Step 5: Solve for x
   x = 126,613,592.45/13,016.90
6. Step 6: Final answer
   x = 9,726.86