Finding the Fourth Proportional to 17,911.35, 24,716.91 and 9,953.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,911.35 : 24,716.91 = 9,953.50 : x
2. Step 2: Convert to fraction form
   17,911.35/24,716.91 = 9,953.50/x
3. Step 3: Cross multiply
   17,911.35x = 24,716.91 × 9,953.50
4. Step 4: Simplify right side
   17,911.35x = 246,019,763.69
5. Step 5: Solve for x
   x = 246,019,763.69/17,911.35
6. Step 6: Final answer
   x = 13,735.42