Finding the Fourth Proportional to 13,069.92, 18,035.20 and 7,404.24

Step by Step Solution

1. Step 1: Write the proportion equation
   13,069.92 : 18,035.20 = 7,404.24 : x
2. Step 2: Convert to fraction form
   13,069.92/18,035.20 = 7,404.24/x
3. Step 3: Cross multiply
   13,069.92x = 18,035.20 × 7,404.24
4. Step 4: Simplify right side
   13,069.92x = 133,536,949.25
5. Step 5: Solve for x
   x = 133,536,949.25/13,069.92
6. Step 6: Final answer
   x = 10,217.12