Finding the Fourth Proportional to 17,921.34, 24,729.57 and 9,962.28

Step by Step Solution

1. Step 1: Write the proportion equation
   17,921.34 : 24,729.57 = 9,962.28 : x
2. Step 2: Convert to fraction form
   17,921.34/24,729.57 = 9,962.28/x
3. Step 3: Cross multiply
   17,921.34x = 24,729.57 × 9,962.28
4. Step 4: Simplify right side
   17,921.34x = 246,362,900.62
5. Step 5: Solve for x
   x = 246,362,900.62/17,921.34
6. Step 6: Final answer
   x = 13,746.90