Finding the Fourth Proportional to 13,017.05, 17,965.20 and 7,353.24

Step by Step Solution

1. Step 1: Write the proportion equation
   13,017.05 : 17,965.20 = 7,353.24 : x
2. Step 2: Convert to fraction form
   13,017.05/17,965.20 = 7,353.24/x
3. Step 3: Cross multiply
   13,017.05x = 17,965.20 × 7,353.24
4. Step 4: Simplify right side
   13,017.05x = 132,102,427.25
5. Step 5: Solve for x
   x = 132,102,427.25/13,017.05
6. Step 6: Final answer
   x = 10,148.42