Finding the Fourth Proportional to 12,984.34, 17,919.33 and 7,319.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,984.34 : 17,919.33 = 7,319.62 : x
2. Step 2: Convert to fraction form
   12,984.34/17,919.33 = 7,319.62/x
3. Step 3: Cross multiply
   12,984.34x = 17,919.33 × 7,319.62
4. Step 4: Simplify right side
   12,984.34x = 131,162,626.73
5. Step 5: Solve for x
   x = 131,162,626.73/12,984.34
6. Step 6: Final answer
   x = 10,101.60