Finding the Fourth Proportional to 17,639.81, 24,343.59 and 10,086.14

Step by Step Solution

1. Step 1: Write the proportion equation
   17,639.81 : 24,343.59 = 10,086.14 : x
2. Step 2: Convert to fraction form
   17,639.81/24,343.59 = 10,086.14/x
3. Step 3: Cross multiply
   17,639.81x = 24,343.59 × 10,086.14
4. Step 4: Simplify right side
   17,639.81x = 245,532,856.84
5. Step 5: Solve for x
   x = 245,532,856.84/17,639.81
6. Step 6: Final answer
   x = 13,919.25