Finding the Fourth Proportional to 20,049.16, 30,057.52 and 8,371.12

Step by Step Solution

1. Step 1: Write the proportion equation
   20,049.16 : 30,057.52 = 8,371.12 : x
2. Step 2: Convert to fraction form
   20,049.16/30,057.52 = 8,371.12/x
3. Step 3: Cross multiply
   20,049.16x = 30,057.52 × 8,371.12
4. Step 4: Simplify right side
   20,049.16x = 251,615,106.82
5. Step 5: Solve for x
   x = 251,615,106.82/20,049.16
6. Step 6: Final answer
   x = 12,549.91