Finding the Fourth Proportional to 17,797.72, 24,559.56 and 9,840.04

Step by Step Solution

1. Step 1: Write the proportion equation
   17,797.72 : 24,559.56 = 9,840.04 : x
2. Step 2: Convert to fraction form
   17,797.72/24,559.56 = 9,840.04/x
3. Step 3: Cross multiply
   17,797.72x = 24,559.56 × 9,840.04
4. Step 4: Simplify right side
   17,797.72x = 241,667,052.78
5. Step 5: Solve for x
   x = 241,667,052.78/17,797.72
6. Step 6: Final answer
   x = 13,578.54