Finding the Fourth Proportional to 17,731.82, 24,469.61 and 9,774.79

Step by Step Solution

1. Step 1: Write the proportion equation
   17,731.82 : 24,469.61 = 9,774.79 : x
2. Step 2: Convert to fraction form
   17,731.82/24,469.61 = 9,774.79/x
3. Step 3: Cross multiply
   17,731.82x = 24,469.61 × 9,774.79
4. Step 4: Simplify right side
   17,731.82x = 239,185,176.78
5. Step 5: Solve for x
   x = 239,185,176.78/17,731.82
6. Step 6: Final answer
   x = 13,489.04