Finding the Fourth Proportional to 20,162.86, 30,244.24 and 5,371.82

Step by Step Solution

1. Step 1: Write the proportion equation
   20,162.86 : 30,244.24 = 5,371.82 : x
2. Step 2: Convert to fraction form
   20,162.86/30,244.24 = 5,371.82/x
3. Step 3: Cross multiply
   20,162.86x = 30,244.24 × 5,371.82
4. Step 4: Simplify right side
   20,162.86x = 162,466,613.32
5. Step 5: Solve for x
   x = 162,466,613.32/20,162.86
6. Step 6: Final answer
   x = 8,057.72