Finding the Fourth Proportional to 17,785.58, 24,530.27 and 12,609.08

Step by Step Solution

1. Step 1: Write the proportion equation
   17,785.58 : 24,530.27 = 12,609.08 : x
2. Step 2: Convert to fraction form
   17,785.58/24,530.27 = 12,609.08/x
3. Step 3: Cross multiply
   17,785.58x = 24,530.27 × 12,609.08
4. Step 4: Simplify right side
   17,785.58x = 309,303,951.15
5. Step 5: Solve for x
   x = 309,303,951.15/17,785.58
6. Step 6: Final answer
   x = 17,390.71