Finding the Fourth Proportional to 17,171.88, 23,674.52 and 12,387.83

Step by Step Solution

1. Step 1: Write the proportion equation
   17,171.88 : 23,674.52 = 12,387.83 : x
2. Step 2: Convert to fraction form
   17,171.88/23,674.52 = 12,387.83/x
3. Step 3: Cross multiply
   17,171.88x = 23,674.52 × 12,387.83
4. Step 4: Simplify right side
   17,171.88x = 293,275,748.78
5. Step 5: Solve for x
   x = 293,275,748.78/17,171.88
6. Step 6: Final answer
   x = 17,078.84