Finding the Fourth Proportional to 17,619.34, 24,314.56 and 9,661.43

Step by Step Solution

1. Step 1: Write the proportion equation
   17,619.34 : 24,314.56 = 9,661.43 : x
2. Step 2: Convert to fraction form
   17,619.34/24,314.56 = 9,661.43/x
3. Step 3: Cross multiply
   17,619.34x = 24,314.56 × 9,661.43
4. Step 4: Simplify right side
   17,619.34x = 234,913,273.69
5. Step 5: Solve for x
   x = 234,913,273.69/17,619.34
6. Step 6: Final answer
   x = 13,332.70