Finding the Fourth Proportional to 17,785.57, 24,544.15 and 9,719.23

Step by Step Solution

1. Step 1: Write the proportion equation
   17,785.57 : 24,544.15 = 9,719.23 : x
2. Step 2: Convert to fraction form
   17,785.57/24,544.15 = 9,719.23/x
3. Step 3: Cross multiply
   17,785.57x = 24,544.15 × 9,719.23
4. Step 4: Simplify right side
   17,785.57x = 238,550,116.28
5. Step 5: Solve for x
   x = 238,550,116.28/17,785.57
6. Step 6: Final answer
   x = 13,412.56