Finding the Fourth Proportional to 17,131.30, 23,597.19 and 12,086.62

Step by Step Solution

1. Step 1: Write the proportion equation
   17,131.30 : 23,597.19 = 12,086.62 : x
2. Step 2: Convert to fraction form
   17,131.30/23,597.19 = 12,086.62/x
3. Step 3: Cross multiply
   17,131.30x = 23,597.19 × 12,086.62
4. Step 4: Simplify right side
   17,131.30x = 285,210,268.60
5. Step 5: Solve for x
   x = 285,210,268.60/17,131.30
6. Step 6: Final answer
   x = 16,648.49