Finding the Fourth Proportional to 13,018.52, 17,965.55 and 7,050.18

Step by Step Solution

1. Step 1: Write the proportion equation
   13,018.52 : 17,965.55 = 7,050.18 : x
2. Step 2: Convert to fraction form
   13,018.52/17,965.55 = 7,050.18/x
3. Step 3: Cross multiply
   13,018.52x = 17,965.55 × 7,050.18
4. Step 4: Simplify right side
   13,018.52x = 126,660,326.05
5. Step 5: Solve for x
   x = 126,660,326.05/13,018.52
6. Step 6: Final answer
   x = 9,729.25