Finding the Fourth Proportional to 13,018.25, 17,965.21 and 7,049.93

Step by Step Solution

1. Step 1: Write the proportion equation
   13,018.25 : 17,965.21 = 7,049.93 : x
2. Step 2: Convert to fraction form
   13,018.25/17,965.21 = 7,049.93/x
3. Step 3: Cross multiply
   13,018.25x = 17,965.21 × 7,049.93
4. Step 4: Simplify right side
   13,018.25x = 126,653,500.22
5. Step 5: Solve for x
   x = 126,653,500.22/13,018.25
6. Step 6: Final answer
   x = 9,728.92