Finding the Fourth Proportional to 20,181.34, 30,233.94 and 10,326.88

Step by Step Solution

1. Step 1: Write the proportion equation
   20,181.34 : 30,233.94 = 10,326.88 : x
2. Step 2: Convert to fraction form
   20,181.34/30,233.94 = 10,326.88/x
3. Step 3: Cross multiply
   20,181.34x = 30,233.94 × 10,326.88
4. Step 4: Simplify right side
   20,181.34x = 312,222,270.31
5. Step 5: Solve for x
   x = 312,222,270.31/20,181.34
6. Step 6: Final answer
   x = 15,470.84