Finding the Fourth Proportional to 13,069.43, 18,035.22 and 7,404.05

Step by Step Solution

1. Step 1: Write the proportion equation
   13,069.43 : 18,035.22 = 7,404.05 : x
2. Step 2: Convert to fraction form
   13,069.43/18,035.22 = 7,404.05/x
3. Step 3: Cross multiply
   13,069.43x = 18,035.22 × 7,404.05
4. Step 4: Simplify right side
   13,069.43x = 133,533,670.64
5. Step 5: Solve for x
   x = 133,533,670.64/13,069.43
6. Step 6: Final answer
   x = 10,217.25