Finding the Fourth Proportional to 17,159.96, 23,680.92 and 10,086.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,159.96 : 23,680.92 = 10,086.50 : x
2. Step 2: Convert to fraction form
   17,159.96/23,680.92 = 10,086.50/x
3. Step 3: Cross multiply
   17,159.96x = 23,680.92 × 10,086.50
4. Step 4: Simplify right side
   17,159.96x = 238,857,599.58
5. Step 5: Solve for x
   x = 238,857,599.58/17,159.96
6. Step 6: Final answer
   x = 13,919.47