Finding the Fourth Proportional to 17,638.79, 24,341.99 and 10,086.35

Step by Step Solution

1. Step 1: Write the proportion equation
   17,638.79 : 24,341.99 = 10,086.35 : x
2. Step 2: Convert to fraction form
   17,638.79/24,341.99 = 10,086.35/x
3. Step 3: Cross multiply
   17,638.79x = 24,341.99 × 10,086.35
4. Step 4: Simplify right side
   17,638.79x = 245,521,658.69
5. Step 5: Solve for x
   x = 245,521,658.69/17,638.79
6. Step 6: Final answer
   x = 13,919.42