Finding the Fourth Proportional to 17,619.14, 24,314.42 and 9,661.20

Step by Step Solution

1. Step 1: Write the proportion equation
   17,619.14 : 24,314.42 = 9,661.20 : x
2. Step 2: Convert to fraction form
   17,619.14/24,314.42 = 9,661.20/x
3. Step 3: Cross multiply
   17,619.14x = 24,314.42 × 9,661.20
4. Step 4: Simplify right side
   17,619.14x = 234,906,474.50
5. Step 5: Solve for x
   x = 234,906,474.50/17,619.14
6. Step 6: Final answer
   x = 13,332.46