Finding the Fourth Proportional to 13,018.37, 17,965.31 and 7,050.02

Step by Step Solution

1. Step 1: Write the proportion equation
   13,018.37 : 17,965.31 = 7,050.02 : x
2. Step 2: Convert to fraction form
   13,018.37/17,965.31 = 7,050.02/x
3. Step 3: Cross multiply
   13,018.37x = 17,965.31 × 7,050.02
4. Step 4: Simplify right side
   13,018.37x = 126,655,669.73
5. Step 5: Solve for x
   x = 126,655,669.73/13,018.37
6. Step 6: Final answer
   x = 9,729.00