Finding the Fourth Proportional to 17,904.24, 24,707.82 and 9,947.20

Step by Step Solution

1. Step 1: Write the proportion equation
   17,904.24 : 24,707.82 = 9,947.20 : x
2. Step 2: Convert to fraction form
   17,904.24/24,707.82 = 9,947.20/x
3. Step 3: Cross multiply
   17,904.24x = 24,707.82 × 9,947.20
4. Step 4: Simplify right side
   17,904.24x = 245,773,627.10
5. Step 5: Solve for x
   x = 245,773,627.10/17,904.24
6. Step 6: Final answer
   x = 13,727.12