Finding the Fourth Proportional to 20,111.34, 30,167.61 and 9,582.48

Step by Step Solution

1. Step 1: Write the proportion equation
   20,111.34 : 30,167.61 = 9,582.48 : x
2. Step 2: Convert to fraction form
   20,111.34/30,167.61 = 9,582.48/x
3. Step 3: Cross multiply
   20,111.34x = 30,167.61 × 9,582.48
4. Step 4: Simplify right side
   20,111.34x = 289,080,479.54
5. Step 5: Solve for x
   x = 289,080,479.54/20,111.34
6. Step 6: Final answer
   x = 14,374.00