Finding the Fourth Proportional to 13,150.82, 19,730.83 and 8,214.68

Step by Step Solution

1. Step 1: Write the proportion equation
   13,150.82 : 19,730.83 = 8,214.68 : x
2. Step 2: Convert to fraction form
   13,150.82/19,730.83 = 8,214.68/x
3. Step 3: Cross multiply
   13,150.82x = 19,730.83 × 8,214.68
4. Step 4: Simplify right side
   13,150.82x = 162,082,335.39
5. Step 5: Solve for x
   x = 162,082,335.39/13,150.82
6. Step 6: Final answer
   x = 12,324.89