Finding the Fourth Proportional to 13,016.39, 17,962.63 and 7,048.10

Step by Step Solution

1. Step 1: Write the proportion equation
   13,016.39 : 17,962.63 = 7,048.10 : x
2. Step 2: Convert to fraction form
   13,016.39/17,962.63 = 7,048.10/x
3. Step 3: Cross multiply
   13,016.39x = 17,962.63 × 7,048.10
4. Step 4: Simplify right side
   13,016.39x = 126,602,439.79
5. Step 5: Solve for x
   x = 126,602,439.79/13,016.39
6. Step 6: Final answer
   x = 9,726.39