Finding the Fourth Proportional to 17,921.76, 24,732.60 and 9,964.32

Step by Step Solution

1. Step 1: Write the proportion equation
   17,921.76 : 24,732.60 = 9,964.32 : x
2. Step 2: Convert to fraction form
   17,921.76/24,732.60 = 9,964.32/x
3. Step 3: Cross multiply
   17,921.76x = 24,732.60 × 9,964.32
4. Step 4: Simplify right side
   17,921.76x = 246,443,540.83
5. Step 5: Solve for x
   x = 246,443,540.83/17,921.76
6. Step 6: Final answer
   x = 13,751.08