Finding the Fourth Proportional to 13,018.29, 17,965.31 and 7,049.98

Step by Step Solution

1. Step 1: Write the proportion equation
   13,018.29 : 17,965.31 = 7,049.98 : x
2. Step 2: Convert to fraction form
   13,018.29/17,965.31 = 7,049.98/x
3. Step 3: Cross multiply
   13,018.29x = 17,965.31 × 7,049.98
4. Step 4: Simplify right side
   13,018.29x = 126,655,076.19
5. Step 5: Solve for x
   x = 126,655,076.19/13,018.29
6. Step 6: Final answer
   x = 9,729.01