Finding the Fourth Proportional to 13,016.79, 17,963.25 and 7,048.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,016.79 : 17,963.25 = 7,048.50 : x
2. Step 2: Convert to fraction form
   13,016.79/17,963.25 = 7,048.50/x
3. Step 3: Cross multiply
   13,016.79x = 17,963.25 × 7,048.50
4. Step 4: Simplify right side
   13,016.79x = 126,613,967.63
5. Step 5: Solve for x
   x = 126,613,967.63/13,016.79
6. Step 6: Final answer
   x = 9,726.97