Finding the Fourth Proportional to 17,474.32, 24,114.04 and 9,921.36

Step by Step Solution

1. Step 1: Write the proportion equation
   17,474.32 : 24,114.04 = 9,921.36 : x
2. Step 2: Convert to fraction form
   17,474.32/24,114.04 = 9,921.36/x
3. Step 3: Cross multiply
   17,474.32x = 24,114.04 × 9,921.36
4. Step 4: Simplify right side
   17,474.32x = 239,244,071.89
5. Step 5: Solve for x
   x = 239,244,071.89/17,474.32
6. Step 6: Final answer
   x = 13,691.18