Finding the Fourth Proportional to 17,405.28, 24,019.31 and 9,447.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,405.28 : 24,019.31 = 9,447.50 : x
2. Step 2: Convert to fraction form
   17,405.28/24,019.31 = 9,447.50/x
3. Step 3: Cross multiply
   17,405.28x = 24,019.31 × 9,447.50
4. Step 4: Simplify right side
   17,405.28x = 226,922,383.99
5. Step 5: Solve for x
   x = 226,922,383.99/17,405.28
6. Step 6: Final answer
   x = 13,037.56