Finding the Fourth Proportional to 13,003.70, 17,945.11 and 7,035.37

Step by Step Solution

1. Step 1: Write the proportion equation
   13,003.70 : 17,945.11 = 7,035.37 : x
2. Step 2: Convert to fraction form
   13,003.70/17,945.11 = 7,035.37/x
3. Step 3: Cross multiply
   13,003.70x = 17,945.11 × 7,035.37
4. Step 4: Simplify right side
   13,003.70x = 126,250,398.82
5. Step 5: Solve for x
   x = 126,250,398.82/13,003.70
6. Step 6: Final answer
   x = 9,708.81